-itis fili- filip fills filst filtu fissi fists fitil fitit fitts fitup flipp flips flipt flist flits fluff fluit fluss ftpfs fu-fu fuffs fullf fulls fults fulup fusi- fusil fusts fusus futsu if-- ifill ifits ifius ifttt iiiii iitti ilfis iliff ilift ilisu illit illui illus iltis ilulu ipils ipiti ipsi- ipsus is-is isfit isili isill isisi isiti isits isitt islip ispup issus issuu istlt istup istus isuli isuus itfit itisi itsit itsup itsus ittti itu-t itutu iuliu iulus iupps iuput l-sit li-fi lifts liisi lilfu lilis liliu lilli lilts lilus lipis lippi lipps lipsi lipus lisis lisps liss- lissu lists litis litsi litti litui litup liuli luffs luiff lulli lulls lulul lulus lupis luppi lupsu lupul lupus lusis lusti lusts lusus lutfi lutsi lutsu lutui piilu piisi piisu pili- pilis pills pilus pilut pipil pipis pipit pipli pippi pipul pissi pisti pitip pitis pitti pitts piusi plips plitt pluff pluit plupp plut- pluti psil- pssst pssts ptil- puffs puits pulis pull- pulli pulls pullu pulps pults pulut pupil pusil putis putit putt- putti putts puttu putup s-iii sifts sifus siili silli sills silpi silts sipit sippi sipsi sipti siptu sisil sisis sisli sissi sissu sists sitit sitsi sitti situp situs siusi siutu slift slip- slips slipt sliss slits slitu slsts sluff sluis sluit sluss sluts spiff spili spill spilt spiss spitf spiti spits splif split spult sputs spuul sssss stfis stiff stift stiif still stilp stils stilt stips stitt stu-i stuff stuft stull stulp stult stupp stups stuss suffs sufis suflu suftu suift suist suits sulf- sulis sulli sulls sulus sulut supls suppl supps supsi supts suput susil susus sutil suttu ti-ti tiffs tifts tiifp tilfi tilip tilli tills tilsi tilst tilts tipil tipis tipit tippi tippu tipup tisis tiss- tissi tissu tisul titii titil titis titli titti titup titus tppts tsili tstlt ttttt tuffi tuffs tufit tufts tuili tuits tulip tulls tulsi tului tulus tupis tuppi tussi tutli tutsi tutti tutus tuuli uifli uispp uitti ululu ulupi uluti uplit uppli upput uspis ustup usuli ususi usutu utfsf utili utils utsul uusis uuuuu