-ene bbbb bbeb bbet bblb bbrc bcbc bccc bccl bcec bcer bcet bcnu bcru bctc bcuc bebb bebe becu beeb beel been beer beet bele bell belt belu bene benn bent benu berc bere bern berr bert beru betc bete bett betu beur blbt blcu bleb blee blet bleu blrc blub blue blur blut bner bnet bnrr brcb brce breb brec bree brel bren brer bret brrr brtc bruc brue brun brut btcc btcl btec bten btrc btrt bttb bubb bube bubu bucc buce bucu buel buen buer bueu bulb bule bull bult bulu bunb bune bunn bunt bunu bur- burb bure burl burn burr burt buru but- bute butt cbbc cbcc cbce cbcl cbcn cbcr cbct cbcu cbec cbee cber cbet cblb cblc cbln cbre cbrl cbrn cbrt cbtc cbtl ccbc ccbn cccb cccc cccl cccu ccee ccel cclc ccnb ccnc ccne ccnr ccnu ccrc ccre ccrl ccrt cctb cctc cctl cctt ccuc ccut cebu cec- cece cect ceeb ceec ceel cel- celc cele cell celt cen- cene cent cer- cerc cere cerl cern cert cet- cete clec clee cler clet cleu cltb cltc club clue clun clut cnbc cnbl cnel cnet cnrc cnrr cnrt cntc cntr cnut crbc crbu crcc crce crcr cre- creb crec cree cren cret creu crne crrt crtc crtl crub crue crun crut ctec cten ctle ctne ctrc ctrl ctrn cttn cub- cubb cube cucc cuce cucn cuer culb culc cule cull cult cune cunt curb cure curl curn curr curt cut- cutc cute cutt e-cl ebbc ebbr ebcc ebel eben eber ebru ebul ebur ecbc ecbe eccb eccc ecce eccl ecct eclt ecne ecrc ecrl ecrr ecru ect- ectc eeee eele eent eerc eetc eete eetu el-b elbe elbu elcb elce elec elee elen eler elet elle ellu elne elte elue elul enb- enbn enbr ence encl enee enel ener ennc enne ennu ent- ente entr enue enur enut erbb erbe ercc erce ereb erec erel eren erer eret erle erll erne errc erre ertl ertu erub eruc erur etbc etbr etcc etec etee etel eten eter etne etnr etre ette ettn ettu etun eubc euer eule eur- eurc eure eurt lbcc lblr lbrt lcbc lccc lcce lcer lcrl lctl le-u lebu lece lect leel leen leer leet lele lell lelu lene lenn lent lerc lere lern lert lete lett leuc leun leur llcc llet lleu lllc llll lncr lner lntc lrne lrrc lrrr ltbl ltcc ltee ltnt lttc lttr ltuc lube luce luer lule lull lulu lune lunn lunt lure lurt lute nbbc nbcc nber ncbc nccc nccn nccr ncct nccu ncec ncee ncel ncen ncer nclc ncln nclr ncnc ncrc ncre nctc ncte nctr ncue nebb nebe nebn nebr nebu necc nece necr nect neeb neel neen neer neet nelc nele nell nelt nene nent nenu nerc nere nerl nerr nert neru net- netb nete nett neuc neue neun neur neut neuu nlcc nlec nler nlrb nnnn nntn nren nrlb nrrc nrrl nrtl ntbc ntcc nter nteu ntnu ntrc ntrl ntru nttr ntuc nubc nube nubl nuce nucu nuee nuel nuer nule null nunc nune nunn nunt nurc nure nurl nurn nurr nurt nuru nute nutt nutu rbbb rbbr rbcl rble rcbc rccb rccc rcet rcle rcnl rcnr rctc rebb rebe rebu recc rece recr rect recu reeb reel reen reet relb rele rell relt rene renn rent renu rere rert reru rete retr rett reue reul reut reuu rlee rleu rnbr rnnt rnut rrle rrrr rrun rtcc rtce rtee rtle rtlt rubb rube rubu ruce ruct ruel ruen ruer ruet rule rull runc rune runn runt rurc rure ruru rute rutl rutt rutu ruun tbcb tbcc tbce tbrb tccc tccu tcnn tctc tcul tebu tecl tecr tect teec teel teen teer teet tel- telc tele tell teln telt telu tenb tenc tene tenn tent tenu ter- terc tere tern terr teru tete tetr tett tetu teut tlen tnbc tncc tneb tnut trcc trcl tre- trec tree tren tret treu trtc trte trtr trub truc true trun trut truu ttbb ttcn tten tter tttt ttul tubb tube tubr tubu tucc tuel tuen tuer tuet tule tull tulu tunb tunc tune tunn tunu turb turc ture turn turr turt turu tute tutl tutt tutu ubbe uber ubet uble ucbc ucel ucrc ucut uele uell ulbc ulcc uleb ulee ulen ulle ullr ulne ultt ulul unbe uncc unce uncl unct uneb unec unee unen uner unle unne untb unte unut urbe ure- uret urle urne urre urte urun urur urut utec utel uter utne uttu uuen uulu uuuu