--- /dev/null
+#!/bin/sh
+
+src/extract-possessive | sort | uniq \
+ | comm -23 - working/abbreviations.lst.pre \
+ | cat - working/proper-names.lst \
+ | comm -23 - r/special/not-possessive \
+ | grep -v "'" \
+ | src/remove-plurals \
+ | sort | uniq > working/possessive.lst