rolf roll rolo rolt roof rooi rool roor roos root rori roro rort roru rosi roso ross rost roti rotl roto rotr rots rott rouf roul rous rout rrif rrrr rsis rsos rssl rsts rstu rtls rtlt rtss rtts ruff rufo ruft ruif ruis ruit rull rulo ruri ruro rurs ruru rusi ruso russ rust rusu ruti rutl ruto ruts rutt rutu s-ii s-os sfio sfls sfor sfos sfro sfss sfsu sfts siff sifl sifo sifr sift sifu siit sil- silf sili sill silo sils silt silu siol sior sios siot siou sirf siri siro sirr sirs sirt siru sisi siss sist sisu sit- siti sito sits sitt situ siui sius siut sl-i slft slir slit sloo slos slot slrs slst slsu slts slur slut sofi sofo soft soif soil soir sois soit solf soli soll solo solr sols solt soof sool soor soos soot sori soro sorr sors sort soru sosi soso soss sost sotl soto sots sotu souf soul sour sous sout srfi sris sros srtr ssfl ssis ssit sslt ssot ssri ssrl ssrs sssf sssi ssss sstl ssts stfu stif stil stio stir stis stit stlo stlt stof stol stoo stor stos stot stou stri stro strs stru stsf stsi stss sttr stuf stul stur stus stut suf- suff sufi sufr sufs sufu suio suir suis suit sul- sulf suli sull sulo sult sulu suor suos sur- surf suri suro surr surs surt suru sus- susi suso suss sust susu suti suto sutu suus tfot tfrs tfsi tfss tiff tifo tift tiit tiiu till tilo tilr tils tilt tios tiou tiri tirl tiro tirr tirs tiru tisi tiso tiss tist titi tito tits titt titu tlli tlos tlrs toff tofi tofo toft tofu toil tois toit tol- toli toll tolo tolt tolu toof tool toor toos toot torf tori toro torr tors tort toru tosi toso toss tost tosu toti toto totr tots tott toui toul tour tous tout trfr tri- trif tril trio tris trit troi troo tros trot trou trsi trst trtr trus trut truu tsfl tsis tsoi tsol tsos tsou tssf tssi tssr tsst tsts tsui ttff ttss tttt ttul tuff tufi tufo tuft tufu tuil tuis tuit tuiu tuli tull tulo tulu tuor tuos turf turi turo turr turs turt turu tusi tuss tust tuti tutl tuto tuts tutt tutu tuuo ufos uirr uist uits ulft ulli ullo ullr ulo- ulos ulti ulto ults ultt ulul ulus uofl uofo uor- urff urfi urft urif uris uriu urls uro- urol uroo urri ursi urso urss ursu urts urur urus urut usfi usfl usfs usif usis uslu usoi usos ussf ussr usss usst ussu usti usto usts usui usul usus utfo util utis utor utri utsl utti utto uttu uulu uuri uusi uutf uuuu

-itis fili- fillo fills filot filst filtu filur fiori firit firos firou first fissi fisto fists fitil fitit fitof fitor fitou fitri fitto fitts flirr flirt flist flits floor floro floru floss floto flour flout fluff fluit fluo- fluor flurr flurt fluss fofos foils foios foir- foist folio folli follo foloi fooli fools footi foots forio forit forli foros forro forso forss forst forti forto forts forur forus fosil fotos fotui fotur fotus fouls fouro fours foust fouts friis frill friol frios friso friss frist frito frits fritt froit froot frost frots fruit fruli frust fruto fsoil ftrtt fu-fu fuffs fullf fullo fulls fults furil furio furir furls furo- furor furrs furst furus fusi- fusil fusio fuso- fusor fusts fusus futsu futur if-- iffou ifill ifits ifius ifrit ifttt iiiii iiris iisir iitti ilfis iliff ilift ilio- ilios ilisu illit illos illui illus ilori ilost ilots ilsol iltis iltur ilulu ioooi ioooo iorio iotit iotti irill irios iris- iriss irisu irori irour irous irrit irssi is-is isfit isfor isili isill isilo isios isiro isisi isiti isits isitt islot isoff isoft isoli isolo isolt isour isout issor issou issru issus issuu istlt istoo istus isuli isuto isuus itfit itfor itisi itiso itoff itols itoss itour itout itsit itsof itsso itsto itsus ittoo ittti itu-r itu-t ituri ituro ituru itutu iuliu iulus l-sit li-fi lifou lifts liisi lilfu lilis liliu lilli lillo lilos lilou lilts lilus liour liril lirio lirot lirui lisio lisis liss- lisso lissu listo lists litir litis litos litsi litti litui liuli llrrs lo-fi lofoi lofos lofou lofts loilo loirs loiss lolif lolis lolli lollo lolls lolol lolos lolti looft lools loosi loosu loots lorio loris loros lorri lorut lostl losts lotio lotis lotof lotor lotos lotrs lotru lotso lotti lotto lotts lotus louis louit louri louro lours louss loust louts ltifr luffs luiff luiro lulli lulls lulul lulus lurio lusis luso- lusso lusti lusts lusus lutfi lutol lutsi lutsu lutto lutui luuri offir offis offit offof offto oflos ofoil ofori ofosu ofoto ofour ofsit oilit oilof oirot oitti olfus oliff olios olius ollio ollur olofi olost olots olotu olour olous oltos ooioo ooooo ootus orfor orful orill oriol orist orito orits orius orlos orolu orosi oroso orost orosu orout orris orsis orsit ortoo oruro orust orutu osill osilo ososo ossi- ossil ossis osslt ossos ossur ostil ostir ostis ostri ostro osusu otoli otolo otori otoso ototo otour otros ottir ottis ottoi ottos ottur otulu ouir- oullo ouoro ourol ousts outis outof outro outto outts ri-fi riffs rifts riisu rillo rills rioli riolo riols riots risso risti risto risus risut ritsu ritts ritus rlrts ro-ro rofor roils roiot roist rolfo rolfs rollo rolls rolos roofs rooft roosi roost roots rorts rosil rosis rosol rossi rosso rosss rosto rosts rosu rotfl rotis rotls roto- rotol rotor rotos rotot rotti rotto roull roust routs routt rsssf rsust ruffo ruffs rufi- rufio rufo- rufol rufus ruili ruiru rulli rullo ruoti rusio rusor rusot russi russo rusts rustu rutli rutul ruutu s-iii s-o-r s-oil sfouf siftr sifts sifus siili siirt silli sills silos silts silur siout sirio siris siriu siror siros sirsi sirur sisil sisis sisli sisor sissi sissu sisto sists sitio sitit sito- sitol sitor sitou sitsi sitti situs siuri siuru siusi siutu