ref: 6e6beff85d3f2d71c4e1d92d1f2091d01c7d5c34 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/