fifty fili- filip filly filtu fitil fitit fitly fitty fitup flipp flipt fluff fluit fluty fluyt flyff flyii flyup fu-fu fuffy fullf fully fulup i-fly if-- ifill ifttt iiiii iitti iliff ilift ility illit illui ilulu ipiti ipity iptty itfit ittti itu-t itutu iuliu iuput iyiyi li-fi lilfu liliu lilli lilly lippi lippy lipyl litti litui litup liuli llupy lufly luiff lulli lully lulul luppi luppy lupul lutfi lutui lyuli lyyf- piffy piilu pili- pilly pilut pipil pipit pipli pippi pippy pipul pitip pitti pitty piyut plitt pluff pluit plupp plut- pluti pluty ptil- puffy pull- pulli pullu pully pulpy pulut pupil puppy putit putt- putti puttu putty putup ti-ti tiffy tifty tiifp tilfi tilip tilli tilly tilty tipil tipit tippi tippu tippy tipup titii titil titli titly titti titty titup ttttt tuffi tuffy tufit tufty tuili tulip tully tului tuppi tutli tutti tutty tuuli tuyll typup tytyl uifli uitti ulipy ululu ulupi uluti upfly uplit uppli upput utili uuuuu uyuly yiffy yippy ylyft ypult ypyll yu-ti yuill yuliy yuppy