-ene bbbb bbcm bbdd bbeb bcbc bccc bccm bcde bcec bcnu bcuc bdbc bddc bebb bebe becu bede bedu beeb beed beem been beme bemu bend bene benn benu bmce bmdb bubb bube bubu bucc buce bucu budb budd bude budu buem buen bueu bum- bumb bunb bund bune bunn bunu c-cd cbbc cbcc cbce cbcm cbcn cbcu cbdb cbdc cbdn cbec cbee cbme cbnd ccbc ccbn cccb cccc cccm cccu ccdc ccdm ccdn cced ccee ccmb ccmc ccmd ccmm ccnb ccnc ccne ccnm ccnu ccuc cd-e cddb cdec cdnb cdnc cebu cec- cece cecm cedd cede cedu ceeb ceec ceem cemb ceme cemm cemu cen- cend cene cmbc cmcc cmdb cmec cmmb cmmc cmmn cnbc cnbm cndd cub- cubb cube cucc cuce cucm cucn cude cued cum- cume cund cune dbcc dcbc dccb dccc dccu dcdb dcmu dddd ddub debe debu dec- decc decd dece dedd dede dedu deeb deed deem deen dem- demb demd deme demn demu dene denn denu deue deum dmcc dmcm dmdc dnce dub- dubb dubc dube dubu duce dudd dude dudu dumb dume dumm dunc dune dunn ebbc ebcc ebed eben ecbc ecbe eccb eccc ecce eccm ecdc eced ecem ecne eddc edde eddm ede- edem eden edme educ edun eede eedu eeee eend embd embe emcc emcn emen emeu emme emmu emne enb- enbn ence end- ende endu ened enee enem ennc enne ennu enue enum eubc eucd eude eudm eumc mbdb mbed mcbc mccc mccd mcdc mcdd mcde mced mcmc mdcc mddm mden mdmc mdme mdud mebe mec- mecc mecd mece medb medd mede medu meed meem meen memc meme memu men- menc mend mene menn menu meum mmcc mmcd mmcm mmdb mmdc mmen mmmc mmmd mmmm mmun mnbb mnem mube muc- mucc muce mucu mudd mude mudu mued muee mume mumm mumu munc mund mune munn munu nbbc nbcc ncbc nccc nccn nccu ncdc ncdn ncdu ncec nced ncee ncem ncen ncmm ncnc ncnd ncue ndbm ndcc nddb ndde ndmc nebb nebe nebn nebu necc nece nedc nedd nede nedu neeb need neem neen nem- neme nemn nemu nend nene nenu neuc neue neum neun neuu nm-e nmdc nmmc nndb nnmc nnnn nubc nube nuce nucu nudc nudd nude nuee numb nume numm numu nunc nune nunn ubbe ubud ucbc ucdc ucdd ucmc udbc udem uden udmc udun uend umb- umbe umde umec unbd unbe uncc unce unde uneb unec uned unee unen unmc unne unum uuen uuuu