ref: f62ce2d74a22aa44f665f3769cf3d4e6d183aa33 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/