diff --git a/fg2020/pot-arch-overview.tex b/fg2020/pot-arch-overview.tex
new file mode 100644
index 0000000..bb62c81
--- /dev/null
+++ b/fg2020/pot-arch-overview.tex
@@ -0,0 +1,46 @@
+\begin{tikzpicture}[>=stealth']
+  \node[text width=7em, text ragged] at (-3,1.75) {\small Form-Form\\ Mappings};
+  \node at (0,1.75) {\small F-Paradigm};
+  \node[text width=7em, text ragged] at (3.5,1.75) {\small Form-Sign\\ Mappings};
+  \node at (7,1.75) {\small Sign-Paradigm};
+  
+  \matrix[row sep=-\pgflinewidth,
+  column sep=-\pgflinewidth,
+  column 1/.style={nodes={text depth=0pt,rectangle,draw,text width=13em,text ragged}}] at (0,0)
+  {
+    \node (bse) {$\me{free}{mowech}{mowej}$};     \\
+    \node (s) {$\me{bound}{mowjem}{mowej}$};    \\
+    \node (ed) {$\me{nposs}{ndemowjem}{mowej}$};   \\
+    \node [color=gray] (ing2) {$\me{nposs}{nmowjem}{mowej}$};  \\
+    \node (ing) {$\me{nposs}{nmowech}{mowej}$};  \\
+    \node [color=gray] (ed2) {$\me{nposs}{ndemowech}{mowej}$};   \\
+  };
+
+  \matrix[row sep=-\pgflinewidth,
+  column sep=-\pgflinewidth,
+  column 1/.style={nodes={text depth=0pt,rectangle,draw,text width=15em,text ragged}}] at (7,0)
+  {
+    \node (e1) {$\lexet{mowech}{NP}{feces}$}; \\
+    \node (e2) {$\lexet{ndemowjem}{NP}{my(feces)}$};                              \\
+    \node [color=gray] (e32) {$\lexet{nmowjem}{NP}{my(feces)}$};    \\
+    \node (e3) {$\lexet{nmowech}{NP}{my(feces)}$};    \\
+    \node [color=gray] (e22) {$\lexet{ndemowech}{NP}{my(feces)}$};                              \\
+  };
+
+  \draw[->,color=gray] (bse.west) .. controls +(left:5mm) and +(left:5mm) .. node[color=black] {$f_1$} (s.west);
+  \draw[->,color=gray] (s.west) .. controls +(left:5mm) and +(left:5mm) .. node[color=black] {$f_2$} (ed.west);
+  \draw[->,color=gray] (s.west) .. controls +(left:15mm) and +(left:15mm) .. node[color=black] {$f_3$} (ing2.west);
+  \draw[->,color=gray] (bse.west) .. controls +(left:20mm) and +(left:20mm) .. node[color=black] {$f_3$} (ing.west);
+  \draw[->,color=gray] (bse.west) .. controls +(left:25mm) and +(left:25mm) .. node[color=black] {$f_2$} (ed2.west);
+
+  \draw[->,color=gray] (bse.east) to node[color=black] {$s_1$} (e1.west);
+  \draw[->,color=gray] (ed.east) to node[color=black] {$s_2$} (e2.west);
+  \draw[->,color=gray] (ing2.east) to node[color=black] {$s_2$} (e32.west);
+  \draw[->,color=gray] (ing.east) to node[color=black] {$s_2$} (e3.west);
+  \draw[->,color=gray] (ed2.east) to node[color=black] {$s_2$} (e22.west);
+\end{tikzpicture}
+
+%%% Local Variables:
+%%% mode: latex
+%%% TeX-master: "../../morphology"
+%%% End:
diff --git a/fg2020/pot-class.tex b/fg2020/pot-class.tex
new file mode 100644
index 0000000..78b2b91
--- /dev/null
+++ b/fg2020/pot-class.tex
@@ -0,0 +1,42 @@
+\begin{tikzpicture}[>=stealth']
+  \matrix [row sep={2em}]
+  {
+    \node (l) {\begin{tabular}{c}\textsf{Long}\\ L···\\\end{tabular}}; &
+    \node (n) {\begin{tabular}{c}\textsf{No-Suffix}\\ ··N·\\\end{tabular}}; &
+    \node (m) {\begin{tabular}{c}\textsf{M-Suffix}\\ ···M\\\end{tabular}}; &
+    \node (s) {\begin{tabular}{c}\textsf{Short}\\ ·S··\\\end{tabular}}; \\
+    \node [color=gray] (ln) {L·N·}; &
+    \node (lm) {L··M}; &
+    \node (sn) {·SN·}; &
+    \node [color=gray] (sm) {·S·M}; \\
+    \node (lnm) {L·NM}; &
+    \node [color=gray] (lsn) {LSN·}; &
+    \node (lsm) {LS·M}; &
+    \node [color=gray] (snm) {·SNM}; \\
+    \node (lsnm) {LSNM}; & & \\
+  };
+
+  \draw[->] (ln.north) to (l.south);
+  \draw (ln.north) to (n.south);
+  \draw (lm.north) to (l.south);
+  \draw (lm.north) to (m.south);
+  \draw (sn.north) to (s.south);
+  \draw (sn.north) to (n.south);
+  \draw[->] (sm.north) to (s.south);
+  \draw (sm.north) to (m.south);
+  \draw[->] (lnm.north) to (ln.south);
+  \draw (lnm.north) to (lm.south);
+  \draw (lsn.north) to (ln.south);
+  \draw (lsn.north) to (sn.south);
+  \draw (lsm.north) to (lm.south);
+  \draw (lsm.north) to (sm.south);
+  \draw (snm.north) to (sn.south);
+  \draw[->] (snm.north) to (sm.south);
+  \draw[->] (lsnm.north) to (lnm.south);
+  \draw[->] (lsnm.north) to (lsm.south);
+\end{tikzpicture}
+
+%%% Local Variables:
+%%% mode: latex
+%%% TeX-master: "../../morphology"
+%%% End:
diff --git a/fg2020/pot-positions.log b/fg2020/pot-positions.log
new file mode 100644
index 0000000..5ebdd80
--- /dev/null
+++ b/fg2020/pot-positions.log
@@ -0,0 +1,230 @@
+This is LuaTeX, Version 1.10.0 (TeX Live 2019/Arch Linux)  (format=lualatex 2019.11.17)  27 FEB 2020 01:29
+ restricted system commands enabled.
+ file:line:error style messages enabled.
+**\input pot-positions.tex
+Lua module: luaotfload-main 2019-09-13 3.00 luaotfload entry point
+Lua module: luaotfload-init 2019-09-13 3.00 luaotfload submodule / initialization
+Lua module: lualibs 2019-08-11 2.67 ConTeXt Lua standard libraries.
+Lua module: lualibs-extended 2019-08-11 2.67 ConTeXt Lua libraries -- extended collection.
+Lua module: luaotfload-log 2019-09-13 3.00 luaotfload submodule / logging
+Lua module: luaotfload-parsers 2019-09-13 3.00 luaotfload submodule / filelist
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+luaotfload | conf : Root cache directory is /home/noah/.texlive/texmf-var/luatex-cache/generic/names.
+luaotfload | init : Loading fontloader “fontloader-2019-08-11.lua” from kpse-resolved path “/usr/share/texmf-dist/tex/luatex/luaotfload/fontloader-2019-08-11.lua”.
+Lua-only attribute luaotfload@state = 2
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+Inserting `luaotfload.rewrite_fontname' at position 5 in `luaotfload.patch_font'.
+luaotfload | main : initialization completed in 0.175 seconds
+
+(./pot-positions.tex
+
+./pot-positions.tex:1: LaTeX Error: Environment tikzpicture undefined.
+
+See the LaTeX manual or LaTeX Companion for explanation.
+Type  H <return>  for immediate help.
+ ...                                              
+                                                  
+l.1 \begin{tikzpicture}
+                     [>=stealth']
+Your command was ignored.
+Type  I <command> <return>  to replace it with another command,
+or  <return>  to continue without it.
+
+
+./pot-positions.tex:1: LaTeX Error: Missing \begin{document}.
+
+See the LaTeX manual or LaTeX Companion for explanation.
+Type  H <return>  for immediate help.
+ ...                                              
+                                                  
+l.1 \begin{tikzpicture}[
+                      >=stealth']
+You're in trouble here.  Try typing  <return>  to proceed.
+If that doesn't work, type  X <return>  to quit.
+
+./pot-positions.tex:2: Undefined control sequence.
+l.2   \node
+          (stem) at (-10,0) {freem};
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+./pot-positions.tex:3: Undefined control sequence.
+l.3   \node
+          (stemm) at (-2,0) {bound};
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+./pot-positions.tex:4: Undefined control sequence.
+l.4   \node
+          (ndstemm) at (8,4) {nposs};
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+./pot-positions.tex:5: Undefined control sequence.
+l.5   \node
+          (nstemm) at (8,-4) {nposs};
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+
+Overfull \hbox (20.0pt too wide) in paragraph at lines 1--6
+[][>=stealth']
+ []
+
+./pot-positions.tex:7: Undefined control sequence.
+l.7   \draw
+         [->] (stem) to node [fill=white] {\footnotesize $m$} (stemm);
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+
+./pot-positions.tex:7: LaTeX Error: Missing \begin{document}.
+
+See the LaTeX manual or LaTeX Companion for explanation.
+Type  H <return>  for immediate help.
+ ...                                              
+                                                  
+l.7   \draw[
+          ->] (stem) to node [fill=white] {\footnotesize $m$} (stemm);
+You're in trouble here.  Try typing  <return>  to proceed.
+If that doesn't work, type  X <return>  to quit.
+
+./pot-positions.tex:7: Undefined control sequence.
+l.7 ...>] (stem) to node [fill=white] {\footnotesize
+                                                   $m$} (stemm);
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+LaTeX Font Info:    External font `cmex10' loaded for size
+(Font)              <7> on input line 7.
+LaTeX Font Info:    External font `cmex10' loaded for size
+(Font)              <5> on input line 7.
+./pot-positions.tex:8: Undefined control sequence.
+l.8   \draw
+         [->] (stemm) to node [fill=white] {\footnotesize $ned$} (ndstemm);
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+./pot-positions.tex:8: Undefined control sequence.
+l.8 ...] (stemm) to node [fill=white] {\footnotesize
+                                                   $ned$} (ndstemm);
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+./pot-positions.tex:9: Undefined control sequence.
+l.9   \draw
+         [->] (stemm) to node [fill=white] {\footnotesize $n$} (nstemm);
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+./pot-positions.tex:9: Undefined control sequence.
+l.9 ...] (stemm) to node [fill=white] {\footnotesize
+                                                   $n$} (nstemm);
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+
+./pot-positions.tex:10: LaTeX Error: \begin{document} ended by \end{tikzpicture
+}.
+
+See the LaTeX manual or LaTeX Companion for explanation.
+Type  H <return>  for immediate help.
+ ...                                              
+                                                  
+l.10 \end{tikzpicture}
+                    
+Your command was ignored.
+Type  I <command> <return>  to replace it with another command,
+or  <return>  to continue without it.
+
+
+Overfull \hbox (20.0pt too wide) in paragraph at lines 7--11
+[][-
+ []
+
+
+Overfull \hbox (8.78014pt too wide) in paragraph at lines 7--11
+\OML/cmm/m/it/10 m$
+ []
+
+
+Overfull \hbox (15.86348pt too wide) in paragraph at lines 7--11
+\OML/cmm/m/it/10 ned$
+ []
+
+
+Overfull \hbox (6.00235pt too wide) in paragraph at lines 7--11
+\OML/cmm/m/it/10 n$
+ []
+
+)
+! Emergency stop.
+<*> \input pot-positions.tex
+                         
+*** (job aborted, no legal \end found)
+
+
+
+Here is how much of LuaTeX's memory you used:
+ 23 strings out of 493864
+ 100000,106986 words of node,token memory allocated 2460 words of node memory still in use:
+   12 hlist, 6 disc, 2 local_par, 1 dir, 3 math, 53 glue, 3 kern, 5 penalty, 222
+ glyph, 13 attribute, 35 glue_spec, 13 attribute_list nodes
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+ 18i,1n,12p,99b,61s stack positions out of 5000i,500n,10000p,200000b,100000s
+!  ==> Fatal error occurred, no output PDF file produced!
diff --git a/fg2020/pot-positions.tex b/fg2020/pot-positions.tex
new file mode 100644
index 0000000..d44967e
--- /dev/null
+++ b/fg2020/pot-positions.tex
@@ -0,0 +1,15 @@
+\begin{tikzpicture}[>=stealth']
+  \node (stem) at (0,0) {freem};
+  \node (stemm) at (3,0) {bound};
+  \node (ndstemm) at (6,1) {nposs};
+  \node (nstemm) at (6,-1) {nposs};
+
+  \draw[->] (stem) to node [fill=white] {\footnotesize $m$} (stemm);
+  \draw[->] (stemm) to node [fill=white] {\footnotesize $ned$} (ndstemm);
+  \draw[->] (stemm) to node [fill=white] {\footnotesize $n$} (nstemm);
+\end{tikzpicture}
+
+%%% Local Variables:
+%%% mode: latex
+%%% TeX-master: t
+%%% End:
diff --git a/fg2020/warmi.tex b/fg2020/warmi.tex
new file mode 100644
index 0000000..a04c6d4
--- /dev/null
+++ b/fg2020/warmi.tex
@@ -0,0 +1,17 @@
+\begin{tikzpicture}[>=stealth']
+  \node (warmi) at (-1,0) {warmi};
+  \node (warmis) at (2,1) {warmis};
+  \node (warmikuna) at (2,0) {warmikuna};
+  \node (warmiskuna) at (5,1) {warmiskuna};
+  \node (warmikunas) at (5,0) {warmikunas};
+
+  \draw[->] (warmi) to node [fill=white] {\scriptsize s} (warmis.west);
+  \draw[->] (warmi) to node [fill=white] {\scriptsize kuna} (warmikuna.west);
+  \draw[->] (warmis) to node [fill=white] {\scriptsize kuna} (warmiskuna.west);
+  \draw[->] (warmikuna) to node [fill=white] {\scriptsize s} (warmikunas.west);
+\end{tikzpicture}
+
+%%% Local Variables:
+%%% mode: latex
+%%% TeX-master: "../../morphology"
+%%% End: