#!perl -pl
$r='^rabi .*[0-9A-Za-z]|'.join'|',map{m<_>,"^$` .*(?i:$')[^0-9A-Za-z]{0,3}\$"}digi_nyo,petit_nyu,gema_gema,piyo_pyo;$_=/$r/?'CORRECT (maybe)':'WRONG!'