fili- filip fillo filot filtu fitil fitit fitof fitou fitto fitup flipp flipt floop floto flout fluff fluit fluo- folio folli follo foloi fooli footi fotui fu-fu fullf fullo fulop fulup futop if-- iffou ifill iftop ifttt iiiii iitti iliff ilift ilio- illit illui ilulu ioooi ioooo iotit iotti ipiti ipopt itfit itoff itout ittoo ittti itu-t itutu iuliu iuput l-pop li-fi lifou lilfu liliu lilli lillo lilou lipo- lipot lippi lippo litti litui litup liuli liupo lo-fi lofoi lofou loilo lolif lolli lollo lolol lolti looft loopt lopit lopou loppi lotio lotof lotti lotto louit luiff lulli lulul luppi lupul lutfi lutol lutto lutui offit offof offto ofoil ofoto ofpop oilit oilof oilup oitti oliff ollio ollup olofi olotu ooioo ooooo opio- opito oploo oplot oppol optio opto- optot optto otoli otolo ototo ottoi otulu oullo outof outto piilu pili- pilio pillo pilo- pilot pilou pilut pioli pipil pipit pipli pippi pippo pipul pitio pitip pitof pitot pitti pitto plio- plitt ploop ploot plopi plopp plopu plott plout pluff pluit pluot plupp plut- pluti pluto po-po poill poilu poipu poli- polio polip polit polli pollo pollu polop polti polut pooli poopo popil popoi popop poppi poppo popup potof potoo potop potti potto pottu pouff poulp poult ptil- puilo pull- pulli pullu pulut pupil puppo putit putt- putti putto puttu putuo putup t-pop t-top ti-ti tiifp tilfi tilip tilli tillo tiout tipil tipit tipof tippi tippu tipto tipup titii titil titli titlo titof titou titti titup toffo tofit tofol tofop toili toill tolli tollo toloo tolu- tolui toolt topio topit toplo topo- topof topoi topol topot toppo topto topup toti- toto- totoo totop totup touil touit toull ttttt tuffi tufit tuili tulfo tulio tulip tulou tului tuotu tupou tuppi tutli tutti tutto tuuli u-pop ufofu uifli uitti uloop ultio ultop ululu ulupi uluti uplit upoff upolo upolu uppli upput uptop utili ututo uuuuu