-ous cccc cccf cccs cccu ccfc ccff ccnc ccnf ccnr ccns ccnu ccoc ccrc ccrf ccrs ccrt ccsf ccsn ccss ccst cctc cctt ccuc ccus ccut cfcf cfcn cfco cfcs cffr cfnr cfns cfor cfos cfrn cfrt cftc cftr cfun cnco cnrc cnrr cnrt cnss cntc cntf cntr cnut coco coct cocu cofc coff cofs coft con- conc conf conn cono cons cont coof coon coos coot cor- corc corf corn coro corr cors cort cosc coso coss cost cotc cotn coto cots cott cotu coun cour cous cout crcc crcr crfc crfs crns croc cron croo cror crot crrt crss crst crtc crtf crts crun crus crut cscc cscf csco cscr cscs csfc csfr csor csos csot csrc csrs cssr cstc csto cstr csts csuf csur csus ctcf ctfc ctfo ctfs ctns ctor ctos ctot ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts cucc cucn cufc cuff cufo cuno cunt cuon curf curn curo curr curs curt cuso cuss cust cusu cut- cutc cuto cuts cutt fccf fcot fcsc fcst fcto ffcc ffff ffrr ffss fftf ffun fnrs fnuf foco focs fofo fono fons font foof foon foos foot for- forn foro forr fors fort foso foss fost foto fots fott foun four fous fout frcc frcn frfc frns fron fros frot frou frsc frso frst frun fscc fsfo fssc fssf ft-c ftfc ftos ftrs ftsr ftuc fuc- fuct fufc fuff fufu funf funs funt fuor fur- furn furo furr furs furt fusc fuso fuss fust fusu futo futs futu nccc nccf nccn nccr nccs ncct nccu ncfc ncnc ncoc ncor ncos ncrc ncsc ncsf ncss ncst nctc nctr nfct nfcu nfff nfon nfrs nfsr nfsu nftc nfto nnnn nnos nnot nnss nntn noco nocs noct non- nonn nono nons nont nonu noo- noon nooo noor noos noot nor- norc norf norn noro norr nors nort nos- noss nost nosu not- noto nots nott noun nour nous nout nrcs nrfc nroc nron nrrc nrsc nrts nscc nscs nsfc nsfs nsnr nsof nsos nsou nsrc nssc nssf nsso nssr nsss nstc nsts nstu ntcc ntfc ntfs ntnu ntof ntrc ntru ntsc ntsf ntss ntsu ntto nttr ntuc nucs nucu nuff nunc nunn nuno nuns nunt nuoc nuon nurc nurn nurr nurs nurt nuru nuss nust nusu nuts nutt nutu occc occn occt ocon ocos ocro ocrr ocrs oct- octo octs ocur ofcr off- offc offo offr offs offu ofno ofor ofst ofus onc- oncf onco onct onno onon onor onos onsc onso onst ont- ontc onto onur onus onut oocr ooff oofs oons oont oooo ooos oort oost oots oous orco orcs orff orfs orfu ornc orno orns oro- orof oron oror oros orot orro orrs orso orsu ortc orto orts orus oscc osco osno osnr osoo osor osos osro osso ossu ostc ostr osts osun otfc oto- otof oton otoo otor otos otro otrs otso otsu otto otts ottu otur otus oucc oufc ouff oun- our- ourn ouro ours ourt oust out- outo outs ouu- rccc rccs rcfc rcnr rcon rcos rcsc rcss rctc rcts rffc rftc rnco rncs rnnt rnot rnut rocc roco rocs rofc roff rofo ronc rono rons ront roof roon roor roos root rorc roro rort roru rosc roso ross rost rotc rotn roto rotr rots rott rouf roun rous rout rrfc rrrr rrun rscc rscn rscs rsfc rsnn rsno rsnr rsos rsts rstu rtcc rtfc rtns rtss rtts ruct rufc ruff rufo ruft runc runf runn runo runs runt rurc ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu ruun s-os sccc sccs scct scfc scnr scnt scon scoo scor scot scr- scrc scrn scrs scsc scsn scso scsr scst scsu sctc sctn scto sctr scts scun scur scut sfcc sfco sfcs sffc sfnt sfor sfos sfrc sfro sfss sfsu sfts sncc sncf snco snfu snns snoc snoo snor snos snot snrs sntr snur snus soco socr socs sofo soft son- sono sons sont sonu soof soon soor soos soot sorn soro sorr sors sort soru soso soss sost sotc sotn soto sots sotu souf soun sour sous sout srcc srct srfc srnn srno sros srtr sscc sscs ssfc ssns ssoc ssot ssrc ssrs sssc sssf ssss sstc ssts stcc stcs stcu stfc stfn stfu stnn stnr stns stof ston stoo stor stos stot stou strc strn stro strs stru stsf stss sttc sttr stuc stuf stun stur stus stut suc- succ sucr sucs suf- sufc suff sufr sufs sufu sun- sunn suno suns sunt sunu suor suos sur- surc surf surn suro surr surs surt suru sus- suso suss sust susu suto sutu suus tccc tccu tcfc tcnn tcon tcos tctc tcts tfcu tfot tfrs tfss tftc tncc tnfc tnts tnut toco toff tofo toft tofu tonn tono tons tonu toof toon toor toos toot torc torf torn toro torr tors tort toru tosc toso toss tost tosu totc toto totr tots tott toun tour tous tout trcc trfc trfr trno troc tron troo tros trot trou trst trtc trtr truc trun trus trut truu tscc tsfc tsos tsou tssf tssr tsst tstc tsts tsun ttcn ttfc ttff ttfn tton ttss tttt tucc tuco tufc tuff tufo tuft tufu tunc tunn tuno tuns tunu tuor tuos turc turf turn turo turr turs turt turu tusc tuss tust tuto tuts tutt tutu tuuo ucon ucos ucrc ucsc ucsf ucst ucsu ucut ufcu ufos uncc uncf unco uncs unct unno unns unon unos unrf unro unrs uns- unsc unso unst unto unts unus unut uocc uofo uor- urff urft urns uro- uroo urso urss ursu urts urun urur urus urut uscc uscf usco uscs usfc usfs usnc usno usnr usnu usoc usos ussc ussf ussr usss usst ussu ustc usto usts usun usus utfo utor utsc utto uttu uuno uuoc uutf uuuu