sitt situ siui sius siut sl-i slft slip slir slit sllp slpi slpp slps slrp slrs slst slsu slts slup slur slut spfs spip spir spis spit splp splr spls sppf spps spri sprs spsp spss spst sptr spts spui spur spus sput srfi sris srps srpt srsp srtp srtr ssfl ssfp ssis ssit sslp sslt sspf sspl ssps sspt ssri ssrl ssrs sssf sssi ssss sstl sstp ssts stfu stif stil stip stir stis stit stlt stpf stpp stps stri strs stru stsf stsi stss sttr stuf stul stup stur stus stut suf- suff sufi sufr sufs sufu suir suis suit sul- sulf suli sull sulp sult sulu sup- supp supr sups supt sur- surf suri surp surr surs surt suru sus- susi susp suss sust susu suti sutu suus tfpt tfrs tfsi tfss tftp tiff tift tiit tiiu till tilr tils tilt tip- tipi tipp tips tipt tipu tiri tirl tirr tirs tiru tisi tiss tist titi titp tits titt titu tlli tlrs tpir tpls tppp tppr tprs tptp tptr tput trfr tri- trif tril trip tris trit trpp trps trsi trst trtr trus trut truu tsfl tsis tsps tspt tssf tssi tssr tsst tsts tsui tsup ttff ttss tttt ttul tuff tufi tuft tufu tuil tuis tuit tuiu tuli tull tulp tulu tupi tups tupu turf turi turp turr turs turt turu tusi tuss tust tuti tutl tuts tutt tutu u-rp ufip uftp uipi uirr uist uits ulft ulli ullr ulti ults ultt ulul ulus upis uppp uppu upri upsi uptl upup urff urfi urft urif uris uriu urls urri ursi urss ursu urts urup urur urus urut usfi usfl usfs usif usip usis uslp uslu uspp usps ussf ussr usss usst ussu usti ustp usts usui usul usus util utis utri utsl utti uttu uulu uuri uusi uutf uuuu

-itis fili- filip fills filst filtu filur firit first fissi fists fitil fitit fitri fitts fitup flipp flips flipt flirr flirt flist flits fluff fluit flurr flurt fluss friis frill fripp friss frist frits fritt fruit fruli frust ftpfs ftrtt fu-fu fuffs fullf fulls fults fulup furil furir furls furps furrs furst furus fusi- fusil fusts fusus futsu futur if-- ifill ifits ifius ifrit ifttt iiiii iiris iisir iitti ilfis iliff ilift ilisu illit illui illus iltis iltur ilulu ipils ipiti ipsi- ipsus irill iris- iriss irisu irrit irssi irupi is-is isfit isili isill isisi isiti isits isitt islip ispup issru issus issuu istlt istup istus isuli isuus itfit itisi itrip itsit itsup itsus ittti itu-r itu-t ituri ituru itutu iuliu iulus iupps iuput l-sit li-fi lifts liisi lilfu lilis liliu lilli lilts lilus lipis lippi lipps lipsi lipus liril lirui lisis lisps liss- lissu lists litir litis litsi litti litui litup liuli llrrs ltifr luffs luiff lulli lulls lulul lulus lupis luppi lupsu lupul lupus lurup lusis lusti lusts lusus lutfi lutsi lutsu lutui luuri piilu piiri piisi piisu pili- pilis pills pilur pilus pilut pipil pipis pipit pipli pippi pipri pipul pirri pirui pirus pissi pisti pitip pitis pitri pitrs pitru pitti pitts piuri piuru piusi plips plitt plstr pluff pluit plupp pluri plut- pluti priis priit prill priss prist priti pritt prius pruss psil- pssst pssts ptil- ptprf ptprr ptprs ptprt ptpru puffs puits pulis pull- pulli pulls pullu pulps pults pulut pupil pupri puris purli purls purrs purul purus pusil putis putit putt- putti putts puttu putup puuri puurs ri-fi riffs rifts riisu rills ripit ripup rirpu risps rissp risti risus risut ritsu ritts ritus rlrts rrsps rsssf rsust ruffs rufi- rufus ruili ruiru rulli rupit rupsi russi rusts rustu rutli rutul ruutu s-iii siftr sifts sifus siili siirt silli sills silpi silts silur sipit sippi sipsi sipti siptu siris siriu sirsi sirup sirur sisil sisis sisli sissi sissu sists sitit sitsi sitti situp situs siuri siuru siusi siutu slift slip- slips slipt slirp slirt sliss slits slitu slsts sluff sluis sluit slurf slurp slurs sluss sluts spiff spili spill spilt spir- spirr spirt spiss spitf spiti spits splif split sprit sprut spult spurl spurr spurs spurt sputs spuul sruti sssss stfis stiff stift stiif stiir still stilp stils stilt stips stirp stirs stirt stitt strif stril strip strit strrs strui strul strut stu-i stuff stuft stuir stull stulp stult stupp stups sturt stuss suffr suffs sufis suflu sufri suftu suift suist suits sulf- sulis sulli sulls sulur sulus sulut supls suppl supps supsi supts supur suput surfs surif surir suris surpu surti surtr surui surul surur surus susil susus sutil sutri suttu ti-ti tiffs tifts tiifp tilfi tilip tilli tills tilsi tilst tilts tipil tipis tipit tippi tippu tipup tiris tirit tirli tirls tirrs tirru tirtl tirur tisis tisri tiss- tissi tissu tisul tisur titii titil titis titli titti titup titus tppts triip trill tripi tripl tripp trips tript tris- triss trist trit- trits tritt truff truis truit trull truls trups trupt truss trust truus tsili tstlt tsuru tsuur ttttt tuffi tuffs tufit tufts tuili tuits tulip tulir tulls tulsi tului tulus tupis tuppi turfs turit turps turri tursi turss turst tursu turtu turul turup turut tussi tutli tutsi tutti tutus tuuli tuuri tuuru uifli uispp uitti ullur ulpur ululu ulupi uluru uluti uplit uppli upput urist urris ursus urtlu uruit uruli ururi urusi uruti urutu uspis ustup ustur usuli usurp ususi usutu utfsf utili utils utsul uttur uturu uusis uuuuu

filfil filius filli- fillip fillis fillup firlls firlus firsts fislis fissi- fit-up fitful fittit flipps flirts fluffs fluris flurri frills frisii fritts friuli fruits fruti- frutti fruupp fulfil fullup furfur furrfu fusils futtsu i-suit ifitis ifrits illfit illful illipi illlit illupi iris-t iritis irrupt isists islisp ispirt istisu istrup isurus itfits itslit ittiri iturup lifful liftup lifull lilipi lilius lillis lilliu lilpri lilpur liluri lippir lipstu lituit lituus liulis ltsulu lufful lullus lurulu lutist lutris piilsi pilili pillur pillus pilpul pipili pipipi pipiri pipits pippip pippul pirili pirrip pissis pistil pistis pistul pitful pitill pitpit pittis pituil pituis pituri piupiu piusii plitts plufur pluri- pluris plutil plutus pppppp ppsspp prifti prills