-ene cccc cccf cccs cccu ccee ccfc ccff ccnc ccne ccnf ccnr ccns ccnu ccrc ccre ccrf ccrs ccrt ccsf ccsn ccss ccst cctc cctt ccuc ccus ccut cec- cece cecs cect ceec cees cef- cefc cefn cen- cene cens cent cer- cerc cere cerf cern cers cert cesc cese cesr cess cest cet- cete cets cfcf cfcn cfcs cffr cfnr cfns cfre cfrn cfrt cfse cftc cfte cftr cfun cnes cnet cnrc cnrr cnrt cnss cntc cntf cntr cnut crcc crce crcr cre- crec cree cren cres cret creu crfc crfs crne crns crrt crss crst crtc crtf crts crue crun crus crut cscc csce cscf cscr cscs csec csee cser cset csfc csfr csne csrc csrs csse cssr cstc cstr csts csuf csur csus ctcf ctec cten ctfc ctfs ctne ctns ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts cucc cuce cucn cuer cues cufc cuff cune cunt cure curf curn curr curs curt cuss cust cusu cut- cutc cute cuts cutt eccc ecce ecct ecef eces ecfc ecfr ecfs ecne ecrc ecrf ecrr ecru ecsc ecse ecss ecsu ect- ectc ectf ects ecus eecs eeee eees eefe eefn eens eent eerc eers eese eetc eete eets eetu efen efes efet effs eft- efts eftu ence encs enee ener enes ennc enne enns ennu enrs ense enst ensu ent- ente entr ents enue enuf enur enus enut ercc erce erec eren erer eres eret erfc erfs erft erne erns errc erre errs erse erst erts ertu eruc erur erus esce escr escs escu esee esen eser eses eset esfs esne esse esst essu estc este estr ests esuf esus etcc etcs etec etee eten eter etes etfc etfe etne etnr etns etre etsu ette ettn ettu etun euer eufc eur- eurc eure eurt euse fccf fces fcsc fcst fece fect feen feer fees feet fefc fefe feff fene fenn fens fent ferc fere fern ferr fers fert feru fese fess fest fete fetr fets fett fetu feus ffcc ffee ffff ffrr ffss fftf ffun fnet fnrs fnuf frcc frcn free fren fres fret frfc frns frsc frst frue frun fscc fsec fssc fssf ft-c ften fter ftfc ftrs ftse ftsr ftuc fuc- fuct fuet fufc fuff fufu fune funf funs funt fur- fure furn furr furs furt fusc fuse fuss fust fusu fute futs futu nccc nccf nccn nccr nccs ncct nccu ncec ncee ncef ncen ncer nces ncfc ncfe ncnc ncrc ncre ncsc ncse ncsf ncss ncst nctc ncte nctr ncue necc nece necr necs nect neef neen neer nees neet nefe neff nefs nene nens nent nenu nerc nere nerf nerr ners nert neru nesc nese nesn nesr ness nest net- nete nets nett neuc neue neuf neun neur neut neuu nfct nfcu nfer nfff nfrs nfsr nfsu nftc nnes nnnn nnss nntn nrcs nren nrfc nrrc nrsc nrts nscc nscs nsec nser nsfc nsfs nsnr nsrc nssc nsse nssf nssr nsss nstc nsts nstu ntcc nter ntes nteu ntfc ntfs ntnu ntrc ntru ntsc ntsf ntss ntsu nttr ntuc nuce nucs nucu nuee nuer nuff nunc nune nunn nuns nunt nurc nure nurn nurr nurs nurt nuru nuse nuss nust nusu nute nuts nutt nutu rccc rccs rcet rcfc rcnr rcsc rcss rctc rcts recc rece recr recs rect recu reef reen rees reet refe reff refn refr refs reft refu rene renn rens rent renu rere rers rert reru rese resn ress rest rete retr rets rett reue reuf reus reut reuu rfef rffc rftc rncs rnnt rnut rrfc rrrr rrun rscc rscn rscs rsee rsfc rsnn rsnr rsre rsts rstu rtcc rtce rtee rtes rtfc rtns rtss rtts ruce ruct ruen ruer rues ruet rufc rufe ruff ruft runc rune runf runn runs runt rurc rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruun sccc scce sccs scct scec scee scer scet scfc scfe scnr scnt scr- scrc scre scrn scrs scsc scsn scsr scst scsu sctc sctn sctr scts scun scur scut se-c se-e se-f se-n se-s se-t se-u sec- secc sece secn secr secs sect secu seec seef seen seer sees seet seeu seff seft sene senn senr sens sent serc sere serf sern serr sers sert seru sesc sese sess sest set- setc sete setf sets sett seur sfcc sfcs sfer sffc sfne sfnt sfrc sfss sfsu sfts sncc sncf snee sner snes snet snfu snns snrs snte sntr snur snus srcc srct srec sres srfc srnn srtr sscc ssce sscs ssec ssee sses sset ssfc ssns ssrc ssrs sssc sssf ssss sstc ssts stcc stcs stcu stec stee stef sten ster stes stet stfc stfn stfu stnn stnr stns strc stre strn strs stru stsf stss sttc sttr stuc stue stuf stun stur stus stut suc- succ sucr sucs suee suen suer sues suet sueu suf- sufc suff sufr sufs sufu sun- sune sunn suns sunt sunu sur- surc sure surf surn surr surs surt suru sus- suse suss sust susu sute sutu suus tccc tccu tcfc tcnn tctc tcts tecr tecs tect teec teef teen teer tees teet tefc teff teft tenc tene tenn tens tent tenu ter- terc tere terf tern terr ters teru tesc tese tess test tete tetr tets tett tetu teut tfcu tfec tfrs tfss tftc tncc tnef tnes tnfc tnts tnut trcc tre- trec tree tref tren tres tret treu trfc trfr trst trtc trte trtr truc true trun trus trut truu tscc tsec tsen tses tset tsfc tsse tssf tssr tsst tstc tsts tsun ttcn tten tter ttfc ttff ttfn ttss tttt tucc tuen tuer tues tuet tufc tufe tuff tuft tufu tunc tune tunn tuns tunu turc ture turf turn turr turs turt turu tusc tuss tust tute tuts tutt tutu uces ucrc ucsc ucsf ucst ucsu ucut uers uesn uess ufcu ufer uffe uncc unce uncf uncs unct unec unee unef unen uner unes unne unns unrf unrs uns- unsc unst unte unts unus unut ure- ures uret urfe urff urft urne urns urre urse urss