ref: 94013bf636869a52829f5237e20a2a7de1daf667 dir: /rc/bin/feminize/
#!/bin/sed -f s/ [aeiou]n([a-z][a-z][a-z])/ man\1/ s/ [a-z]em([a-z][a-z][a-z])/ fem\1/ s/ [aeiou]m/ fem/