## rule: leetspeak single
## limits: none
## example: john ---> j0hn
## extras: case original, lower, upper

sa4
sa@
sb6
sc<
sc{
se3
sg9
si1
si!
so0
sq9
ss5
ss$
st7
st+
sx%

## rule: leetspeak multi
## limits: none
## example: johnbox ---> j0hnbox
## extras: all case variants

sa@sc<se3si1so0ss$

