-ene bbbb bbcm bbeb bbet bbrc bcbc bccc bccm bcec bcer bcet bcnu bcru bctc bcuc bebb bebe becu beeb beem been beer beet beme bemu bene benn bent benu berc bere berm bern berr bert beru betc bete bett betu beur bmce bmtc bner bnet bnrr bntm brcb brce breb brec bree brem bren brer bret brmc brrm brrr brtc bruc brue brum brun brut btcc btec bten btrc btrt bttb bubb bube bubu bucc buce bucu buem buen buer bueu bum- bumb bunb bune bunn bunt bunu bur- burb bure burm burn burr burt buru but- bute butt cbbc cbcc cbce cbcm cbcn cbcr cbct cbcu cbec cbee cber cbet cbme cbre cbrm cbrn cbrt cbtc ccbc ccbn cccb cccc cccm cccu ccee ccmb ccmc ccmm ccnb ccnc ccne ccnm ccnr ccnu ccrc ccre ccrt cctb cctc cctt ccuc ccut cebu cec- cece cecm cect ceeb ceec ceem cemb ceme cemm cemr cemu cen- cene cent cer- cerc cere cern cert cet- cete cmbc cmcc cmec cmmb cmmc cmmn cmrn cmrr cmtc cmtu cnbc cnbm cnet cnrc cnrr cnrt cntc cntm cntr cnut crbc crbu crcc crce crcr cre- creb crec cree crem cren cret creu crmb crmn crne crrt crtc crtm crub crue crum crun crut ctec cten ctne ctrc ctrm ctrn cttn cub- cubb cube cucc cuce cucm cucn cuer cum- cume cumt cune cunt curb cure curn curr curt cut- cutc cute cutt ebbc ebbr ebcc eben eber ebru ebur ecbc ecbe eccb eccc ecce eccm ecct ecem ecne ecrc ecrm ecrr ecru ect- ectc eeee eent eerc eetc eete eetu embe embr emcc emcn emen emer emet emeu emme emmu emne emre emte enb- enbn enbr ence enee enem ener ennc enne ennu ent- ente entr enue enum enur enut erbb erbe ercc erce ereb erec erem eren erer eret ermc erme erne errc erre ertu erub eruc erum erur etbc etbr etcc etec etee etem eten eter etne etnr etre etrm ette ettn ettu etun eubc euer eumc eur- eurc eure eurt mcbc mccc mcmc mcmt mcrc mctc mctu mebe mec- mecc mece mecr meem meen meer meet memc meme memr memu men- menc mene menn ment menu mer- merb merc mere merm mern mert meru met- mete mett metu meum mmcc mmcm mmct mmen mmmc mmmm mmrc mmun mnbb mnem mnet mntb mntn mr-c mrbb mrbm mrcb mrcc mrce mreb mree mren mrmc mrnc mrrc mrtm mrtn mrtt mtbc mtcr mtnt mtrc mtre mtrr mttr mtuc mube muc- mucc muce mucu muee muet mume mumm mumu munc mune munn munt munu murc mure murn murr murt muru mute mutt mutu muut nbbc nbcc nber ncbc nccc nccn nccr ncct nccu ncec ncee ncem ncen ncer ncmm ncnc ncrc ncre nctc ncte nctr ncue nebb nebe nebn nebr nebu necc nece necr nect neeb neem neen neer neet nem- neme nemn nemu nene nent nenu nerc nere nerm nerr nert neru net- netb nete nett neuc neue neum neun neur neut neuu nm-e nmmc nmnt nmrc nmtb nmtc nnmc nnmt nnnn nntn nrem nren nrrc ntbc ntcc nter nteu ntnu ntrc ntru nttm nttr ntuc nubc nube nuce nucu nuee nuer numb nume numm numt numu nunc nune nunn nunt nurc nure nurn nurr nurt nuru nute nutt nutu rbbb rbbr rcbc rccb rccc rcet rcnr rctc rebb rebe rebu recc rece recm recr rect recu reeb reem reen reet reme remn rene renn rent renu rere rert reru rete retr rett reue reut reuu rmtu rnbr rnnt rnut rrmc rrrr rrum rrun rtcc rtce rtcm rtee rtmc rubb rube rubu ruce ruct ruen ruer ruet rumb rume rumm rumt runc rune runn runt rurc rure ruru rute rutt rutu ruun tbcb tbcc tbce tbrb tccc tccu tcnn tctc tebu tecr tect teec teem teen teer teet teme temu tenb tenc tene tenn tent tenu ter- terc tere term tern terr teru tete tetr tett tetu teut tmbc tmbr tmcc tmcm tmen tmnt tmtt tnbc tncc tneb tnut trcc tre- trec tree trem tren tret treu trmb trmu trtc trte trtr trub truc true trun trut truu ttbb ttcn tten tter tttt tubb tube tubr tubu tucc tuen tuer tuet tumb tume tumu tunb tunc tune tunn tunu turb turc ture turm turn turr turt turu tute tutt tutu tuum ubbe uber ubet ucbc ucmc ucrc ucut umb- umbe umec umer umet umut unbe uncc unce unct uneb unec unee unen uner unmc unmr unne untb unte unum unut urbe ure- uret urne urre urte urum urun urur urut utec uter utmb utne uttu uuen uuuu