fili- filip filtu fitil fitit fitup flipp flipt fluff fluit fu-fu fullf fulup if-- ifill ifttt iiiii iitti iliff ilift illit illui ilulu ipiti itfit ittti itu-t itutu iuliu iuput li-fi lilfu liliu lilli lippi litti litui litup liuli luiff lulli lulul luppi lupul lutfi lutui piilu pili- pilut pipil pipit pipli pippi pipul pitip pitti plitt pluff pluit plupp plut- pluti ptil- pull- pulli pullu pulut pupil putit putt- putti puttu putup ti-ti tiifp tilfi tilip tilli tipil tipit tippi tippu tipup titii titil titli titti titup ttttt tuffi tufit tuili tulip tului tuppi tutli tutti tuuli uifli uitti ululu ulupi uluti uplit uppli upput utili uuuuu