--- /dev/null
+#!/bin/sh
+
+filter() {
+ sort -u \
+ | comm -23 - working/known-upper.lst \
+ | comm -23 - r/special/not-upper
+}
+
+cat working/all.lst | grep "^[A-Z]" \
+ | comm -23 - working/abbreviations.lst.pre \
+ | cat - l/proper-names/* \
+ | filter \
+ | src/add-other-spellings \
+ | src/find-ss working/all.lst \
+ | sed "s/^\(.*\)'s\$/\1/" \
+ | src/filter \
+ | filter \
+ | sed "s/^\(.*\)/\1 \1's/" \
+ | tr ' ' '\n' \
+ | sort -u \
+ > working/proper-names.lst
+