7.1/src/make-possessive.lst

   1 #!/bin/sh
   2
   3 cat working/proper-names.lst                 \
   4   | comm -23 - r/special/not-possessive      \
   5   | grep -v "'"                              \
   6   | src/remove-plurals                       \
   7   | cat - r/special/add-possessive           \
   8   | sort | uniq > working/possessive-also.lst