src/make-abbreviations.lst

   1 #!/bin/sh
   2
   3 comm -23 working/abbreviations.lst.pre      \
   4          working/proper-names.lst           \
   5   | sed "s/^\(.*\)/\1 \1's/"  | tr ' ' '\n' \
   6   | sort -u                                 \
   7   > working/abbreviations.lst
   8