-ene bbbb bbeb bbet bblb bcbc bccc bccl bcec bcet bcnu bctc bcuc bebb bebe becu beeb beel been beet bele bell belt belu bene benn bent benu betc bete bett betu blbt blcu bleb blee blet bleu blub blue blut bnet btcc btcl btec bten bttb bubb bube bubu bucc buce bucu buel buen bueu bulb bule bull bult bulu bunb bune bunn bunt bunu but- bute butt cbbc cbcc cbce cbcl cbcn cbct cbcu cbec cbee cbet cblb cblc cbln cbtc cbtl ccbc ccbn cccb cccc cccl cccu ccee ccel cclc ccnb ccnc ccne ccnu cctb cctc cctl cctt ccuc ccut cebu cec- cece cect ceeb ceec ceel cel- celc cele cell celt cen- cene cent cet- cete clec clee clet cleu cltb cltc club clue clun clut cnbc cnbl cnel cnet cntc cnut ctec cten ctle ctne cttn cub- cubb cube cucc cuce cucn culb culc cule cull cult cune cunt cut- cutc cute cutt e-cl ebbc ebcc ebel eben ebul ecbc ecbe eccb eccc ecce eccl ecct eclt ecne ect- ectc eeee eele eent eetc eete eetu el-b elbe elbu elcb elce elec elee elen elet elle ellu elne elte elue elul enb- enbn ence encl enee enel ennc enne ennu ent- ente enue enut etbc etcc etec etee etel eten etne ette ettn ettu etun eubc eule lbcc lcbc lccc lcce lctl le-u lebu lece lect leel leen leet lele lell lelu lene lenn lent lete lett leuc leun llcc llet lleu lllc llll lntc ltbl ltcc ltee ltnt lttc ltuc lube luce lule lull lulu lune lunn lunt lute nbbc nbcc ncbc nccc nccn ncct nccu ncec ncee ncel ncen nclc ncln ncnc nctc ncte ncue nebb nebe nebn nebu necc nece nect neeb neel neen neet nelc nele nell nelt nene nent nenu net- netb nete nett neuc neue neun neut neuu nlcc nlec nnnn nntn ntbc ntcc nteu ntnu ntuc nubc nube nubl nuce nucu nuee nuel nule null nunc nune nunn nunt nute nutt nutu tbcb tbcc tbce tccc tccu tcnn tctc tcul tebu tecl tect teec teel teen teet tel- telc tele tell teln telt telu tenb tenc tene tenn tent tenu tete tett tetu teut tlen tnbc tncc tneb tnut ttbb ttcn tten tttt ttul tubb tube tubu tucc tuel tuen tuet tule tull tulu tunb tunc tune tunn tunu tute tutl tutt tutu ubbe ubet uble ucbc ucel ucut uele uell ulbc ulcc uleb ulee ulen ulle ulne ultt ulul unbe uncc unce uncl unct uneb unec unee unen unle unne untb unte unut utec utel utne uttu uuen uulu uuuu