-ene bbbb bbch bbeb bbet bcbc bccc bcec bcet bche bcnu bctc bcuc bebb bebe bech becu beeb been beet behn bene benn bent benu betc bete beth bett betu bhcc bhet bhut bhuu bnet btcc btec bten bttb bubb bube bubu bucc buce buch bucu buen bueu buhe bunb bune bunn bunt bunu but- bute butt cbbc cbcc cbce cbcn cbct cbcu cbec cbee cbet cbtc ccbc ccbn cccb cccc cccu ccee cche ccnb ccnc ccne ccnu cctb cctc cctt ccuc ccut cebu cec- cece cect ceeb ceec cen- cene cent cet- cete chce chch cheb chec chee cheh chen chet cheu chnb chnc chtt chub chun chut cnbc cnet cntc cnut ctec cten ctne cttn cub- cubb cube cucc cuce cucn cune cunt cut- cutc cute cuth cutt ebbc ebcc eben ecbc ecbe eccb eccc ecce ecct eche echt ecne ect- ectc ecth eeee eent eetc eete eeth eetu ehcc eheh ehen eheu ehte enb- enbn ence ench enee ennc enne ennu ent- ente enue enut etbc etcc etch etec etee eten eth- ethe ethn etne ette ettn ettu etun eubc euch euth hbtu hcbc hccb hccc hcch hebb hebe hech hect heeb heet hehe hehn hene henh henn hent henu hete heth hett hetu heue heun hhhh hnce hntb htcc hten htet hubb hube huch hucu huet huhn huhu hunc hune hunh hunt hute huth hutt hutu huub nbbc nbcc ncbc nccc nccn ncct nccu ncec ncee ncen nchc ncnc nctc ncte ncue nebb nebe nebn nebu necc nece nech nect neeb neen neet nehe nehu nene nenh nent nenu net- netb nete neth nett neuc neue neun neut neuu nhcc nheb nhnn nnnn nntn ntbc ntcc nteu nthn ntht ntnu ntuc nubc nube nuce nuch nucu nuee nunc nune nunn nunt nute nuth nutt nutu tbcb tbcc tbce tccc tccu tch- tche tchh tchu tcnn tctc tebu tech tect teec teen teet tenb tenc tene tenn tent tenu tete teth tett tetu teut thch the- theb thec thee then thet theu thnt thtb thue thun tnbc tncc tneb tnut ttbb ttcn tten tttt tubb tube tubu tucc tuch tuen tuet tuht tuhu tunb tunc tune tunn tunu tute tutt tutu ubbe ubet ucbc uche ucut uhuh unbe uncc unce unch unct uneb unec unee unen unne untb unte unth unut utec uthe utne uttu uuen uuuu