This is all I can think of right now...

Mihoshi:
_Brain Surgery Made Easy_

Washuu:
_If I Only Had A Brain_

Ranma:
_I AM BI!_

Ranma & Tenchi:
_Nobody Loves Me_

Ryoga:
_Bring On The Bacon!_

Junta: (While in Mega-playboy mode):
_Inadequacies_