-ous cccc cccf ccci cccs cccu ccfc ccff ccfi ccic ccii ccir ccis ccoc ccrc ccrf ccri ccrs ccrt ccsf ccsi ccss ccst cctc cctt ccuc ccus ccut cfcf cfco cfcs cfcy cffr cfit cfor cfos cfrt cfry cfsi cftc cftr cicc cici cico cicr cics cict cicu ciff cifs ciii ciis ciit cior cios circ ciri ciro cirr cirs cirt cis- cisc cisr ciss cist cisy citf citi cito cits citt citu city ciuc cius ciyu coco coct cocu cofc coff cofi cofs coft coif coir cois coit coof coos coot cor- corc corf cori coro corr cors cort cory cosc cosi coso coss cost cosy cotc coti coto cots cott cotu coty cour cous cout couy coyf coyo coyr coys coyt crcc crcr crfc crfs cric crif cris crit criu croc croo cror crot croy crrt crss crst crtc crtf crts crus crut cry- cryo crys cscc cscf csci csco cscr cscs csfc csfr csio csir csis csit csor csos csot csrc csrs cssr cstc csto cstr csts csuf csur csus csys ctcf ctfc ctfo ctfs ctic ctor ctos ctot ctrc ctrs ctsc ctss ctsu ctts cucc cuci cufc cuff cufi cufo cui- cuif cuir cuis cuit curf curi curo curr curs curt cury cuso cuss cust cusu cusy cut- cutc cuto cuts cutt cuy- cuyo cuyr cyc- cycc cycs cyfi cyfs cyft cyrs cyrt cyst cyt- cyto cyy- cyyc fccf fcic fcii fcot fcsc fcst fcto fcty ffcc ffff ffii ffrr ffss fftf ficc fico fics fict fifc fiff fifi fifo fift fiii fior fios firs firy fisc fisi fiss fist fisu fitc fiti fits fitt foci foco focs fofo fois foof foos foot for- fori foro forr fors fort fosi foso foss fost foti foto fots fott foty four fous fout foys foyt frcc frfc fric frio fris frit fros frot frou frsc frso frst frys fscc fsfi fsfo fssc fssf ft-c ftfc ftfy ftii ftos ftrs ftsr ftuc fuc- fuci fuct fufc fuff fufu fuir fuit fuor fur- furi furo furr furs furt fury fusc fusi fuso fuss fust fusu futi futo futs futu fuyt fuyu fyfi fyrs fyry fyti iccc iccf icci icco iccr iccs icct iccu icis icoc icor icos icrc icrf icrr icrs icrt icru icry icsc icsi icsr icss icst icts icus ifco iffy ific ifis ifit ifor ifrf ifri ifsc ifso ifto ifyo iiii iiio iiis iiit iioi iioo iios iirc iirs iisc iisi iisr iist iisu iitr iitt iiuc ioci iofc ioii ioio ioit ioof iooi iooo ioos iori iors ioso iosu iotf ioto ious ircc ircs ircu irfu iri- iric irio iris iriy iroc irrc irri irrs irsf irtf irti irts irus iscc isci isco iscr iscs isct iscu isfc isic isis isit iso- isoc isof isor isos isri issc issf issi isso issr isss issu issy istc isti isto istr ists isty isus isys itcs itic itif itis itof itoi itoo itor itos itou itrf itri itrs itry itsf itsi itso itsu itsy ittf itto itty itur iucc iuiu iuss iust iuty iyos occc occi occt ocis ocos ocro ocrr ocrs oct- octi octo octs octy ocur ocys ofcr off- offc offo offr offs offu offy ofit ofor ofst ofus oici oiii oios oirt oiry oisc oist oisu oitc oiti oocr ooff oofs oofy oooo ooos oort oory oosi oost oots ooty oous orci orco orcs orff orfi orfs orfu ori- oric orif orio oris orit oro- orof oror oros orot oroy orri orro orrs orry orsi orso orsu orsy ortc orto orts orus orys oscc osci osco osii osis osoi osoo osor osos osro ossi osso ossu ossy ostc osti ostr osts osyt otfc otic otif otis otit oto- otof otoo otor otos otoy otro otrs otry otso otsu otti otto otts ottu otur otus otyr oucc oufc ouff ouii ouir ouis ouit our- ouro ours ourt oust out- outi outo outs outy ouu- ouyr oyou oyri oyss oyst rccc rccs rcfc rcic rcis rcos rcsc rcsi rcss rctc rcti rcts rcyc rffc rfic rftc ricc rico rics rict riff rifs rift rifu riif riis rios riot riou riri rirs risc risi riso riss rist risu riti rito rits ritt ritu rius riyf riyo rocc roco rocs rofc roff rofo roif roio roir rois roit roiu roof rooi roor roos root rorc rori roro rort roru rory rosc rosi roso ross rost rosy rotc roti roto rotr rots rott roty rouf rous rout rouy roys royt rrfc rrif rrrr rscc rscs rscy rsfc rsis rsos rsts rstu rtcc rtfc rtss rtts ruci ruct rufc ruff rufo ruft ruif ruis ruit ruoy rurc ruri ruro rurs ruru rusi ruso russ rust rusu rusy ruti ruto ruts rutt rutu ruty ruyi ruys ryff ryft ryif ryis ryot rysy rytt ryyf ryyt s-ic s-ii s-os sccc sccs scct sccy scfc scfi sci- scic scif scio scir scis scit scoo scor scot scr- scrc scri scrs scry scsc scsi scso scsr scst scsu sctc scto sctr scts scur scut sfcc sfco sfcs sffc sfio sfor sfos sfrc sfro sfss sfsu sfts sicc sici sico sics sicu siff sifo sifr sift sifu sify siit sior sios siot siou sirc sirf siri siro sirr sirs sirt siru sisc sisi siss sist sisu sisy sit- sitc siti sito sits sitt situ sity siui sius siut siyi siyu soci soco socr socs socy sofi sofo soft soic soif soir sois soit soof soor soos soot sooy sori soro sorr sors sort soru sory sosi soso soss sost sotc soto sots sotu souf sour sous sout soyo soys soyt srcc srct srfc srfi sris sros srtr sscc ssci sscs ssfc ssis ssit ssoc ssot ssrc ssri ssrs sssc sssf sssi ssss sstc ssts stcc stcs stcu stfc stfu stic stif stio stir stis stit stof stoo stor stos stot stou stoy strc stri stro strs stru stry stsf stsi stss sttc sttr stuc stuf stur stus stut stuy styf styr stys suc- succ suci sucr sucs suf- sufc suff sufi sufr sufs sufu suio suir