-ene bbbb bbbs bbeb bbet bbrc bcbc bcbs bccc bccs bcec bcer bces bcet bcnu bcrs bcru bcsc bcsn bcss bctc bcts bcuc bebb bebe becs becu beeb been beer bees beet bene benn bens bent benu berc bere bern berr bers bert beru bes- bese bess best betc bete bets bett betu beur bner bnet bnrr bnss brcb brce breb brec bree bren brer bres bret brns brrr brrs brsb brsr brst brtc bruc brue brun brus brut bscs bseb bsec bsee bser bses bset bsns bssc bsse bsts btcc btcs btec bten btrc btrt btss bttb btus bubb bube bubs bubu bucc buce bucs bucu buen buer bueu bunb bune bunn buns bunt bunu bur- burb bure burn burr burs burt buru busc buse buss bust busu but- bute buts butt buus cbbc cbbs cbcc cbce cbcn cbcr cbcs cbct cbcu cbec cbee cber cbet cbre cbrn cbrt cbsc cbse cbsn cbtc cbus ccbc ccbn cccb cccc cccs cccu ccee ccnb ccnc ccne ccnr ccns ccnu ccrc ccre ccrs ccrt ccsn ccss ccst cctb cctc cctt ccuc ccus ccut cebs cebu cec- cece cecs cect ceeb ceec cees cen- cene cens cent cer- cerc cere cern cers cert cesc cese cesr cess cest cet- cete cets cnbc cnes cnet cnrc cnrr cnrt cnss cntc cntr cnut crbc crbu crcc crce crcr cre- creb crec cree cren cres cret creu crne crns crrt crss crst crtc crts crub crue crun crus crut cscb cscc csce cscr cscs csec csee cser cset csne csrc csrs csse cssr cstc cstr csts csur csus ctbs ctec cten ctne ctns ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts cub- cubb cube cubs cucc cuce cucn cuer cues cune cunt curb cure curn curr curs curt cusb cuss cust cusu cut- cutc cute cuts cutt ebbc ebbr ebbs ebcc eben eber ebes ebru ebur ebus ecbc ecbe eccb eccc ecce ecct eces ecne ecrc ecrr ecru ecsc ecse ecss ecsu ect- ectc ects ecus eecs eeee eees eens eent eerc eers eese eetc eete eets eetu enb- enbn enbr ence encs enee ener enes ennc enne enns ennu enrs ense enst ensu ent- ente entr ents enue enur enus enut erbb erbe ercc erce ereb erec eren erer eres eret erne erns errc erre errs erse erst erts ertu erub eruc erur erus esbs escb esce escr escs escu esee esen eser eses eset esne esse esst essu estc este estr ests esus etbc etbr etcc etcs etec etee eten eter etes etne etnr etns etre etsu ette ettn ettu etun eubc euer eur- eurc eure eurt euse nbbc nbcc nbcs nber ncbc ncbs nccc nccn nccr nccs ncct nccu ncec ncee ncen ncer nces ncnc ncrc ncre ncsc ncse ncss ncst nctc ncte nctr ncue nebb nebe nebn nebr nebs nebu necc nece necr necs nect neeb neen neer nees neet nene nens nent nenu nerc nere nerr ners nert neru nesb nesc nese nesn nesr ness nest net- netb nete nets nett neuc neue neun neur neut neuu nnes nnnn nnss nntn nrcs nren nrrc nrsc nrts nscc nscs nseb nsec nser nsnr nsrc nssb nssc nsse nssr nsss nstc nsts nstu nsub ntbc ntcc nter ntes nteu ntnu ntrc ntru ntsb ntsc ntss ntsu nttr ntuc nubc nube nubs nuce nucs nucu nuee nuer nunc nune nunn nuns nunt nurc nure nurn nurr nurs nurt nuru nuse nuss nust nusu nute nuts nutt nutu rbbb rbbr rbbs rbss rbst rcbc rccb rccc rccs rcet rcnr rcsc rcss rctc rcts rebb rebe rebs rebu recc rece recr recs rect recu reeb reen rees reet rene renn rens rent renu rere rers rert reru rese resn ress rest rete retr rets rett reue reus reut reuu rnbr rncs rnnt rnut rrrr rrun rscc rscn rscs rsee rsnn rsnr rsre rsts rstu rtcc rtce rtee rtes rtns rtss rtts rubb rube rubs rubu ruce ruct ruen ruer rues ruet runc rune runn runs runt rurc rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruun sbbs sbcc sbcs sbct sber sbse sbst sbtc sbtn sbus sccc scce sccs scct scec scee scer scet scnr scnt scr- scrc scre scrn scrs scsc scsn scsr scst scsu sctc sctn sctr scts scub scun scur scut se-c se-e se-n se-s se-t se-u sebe sebs sebt sec- secc sece secn secr secs sect secu seeb seec seen seer sees seet seeu sene senn senr sens sent serb serc sere sern serr sers sert seru sesc sese sess sest set- setc sete sets sett seur sncc sneb snee sner snes snet snns snrs snte sntr snub snur snus srbc srcc srct sreb srec sres srnn srtr srub ssbn ssbr sscc ssce sscs ssec ssee sses sset ssns ssrc ssrs sssb sssc ssss sstb sstc ssts stbc stbs stcc stcs stcu stec stee sten ster stes stet stnn stnr stns strc stre strn strs stru stss sttc sttr stub stuc stue stun stur stus stut sub- subb subs suc- succ sucr sucs suee suen suer sues suet sueu sun- sunb sune sunn suns sunt sunu sur- surc sure surn surr surs surt suru sus- suse suss sust susu sute sutu suus tbbs tbcb tbcc tbce tbrb tbst tcbs tccc tccu tcnn tctc tcts tebu tecr tecs tect teec teen teer tees teet tenb tenc tene tenn tens tent tenu ter- terc tere tern terr ters teru tesc tese tess test tete tetr tets tett tetu teut tnbc tncc tneb tnes tnts tnut trcc tre- trec tree tren tres tret treu trst trtc trte trtr trub truc true trun trus trut truu tsbc tscc tsec tsen tses tset tsse tssr tsst tstc tsts tsun ttbb ttcn tten tter ttss tttt tubb tube tubr tubs tubu tucc tuen tuer tues tuet tunb tunc tune tunn tuns tunu turb turc ture turn turr turs turt turu tusc tuss tust tute tuts tutt tutu ubbe uber ubet ucbc uces ucrc ucsb ucsc ucst ucsu ucut uers uesn uess unbe uncc unce