ref: 2df5c093acd6db72d527c4692c6f8287b0c9a00c dir: /rc/bin/feminize/
#!/bin/rc exec sed '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/;'