-ene bbbb bbeb bblb bcbc bccc bccl bcec bcnu bcuc bebb bebe beck becu beeb beek beel been beke bele belk bell belu bene benk benn benu beuk blcu bleb blee blek bleu blkb blub blue bubb bube bubu bucc buce buck bucu buel buen bueu buke bukk buku bulb bule bulk bull bulu bunb bune bunk bunn bunu cbbc cbcc cbce cbcl cbcn cbcu cbec cbee cbkl cbkn cblb cblc cbln ccbc ccbn cccb cccc cccl cccu ccee ccel cclc ccnb ccnc ccne ccnu ccuc cebu cec- cece ceeb ceec ceel ceke cel- celc cele cell cen- cene ckbc ckbe ckck ckcl cken ckln cknb cknc clec clee clek cleu club clue clun cnbc cnbl cnel cub- cubb cube cucc cuce cuck cucn cuek cuk- cuke culb culc cule culk cull cune e-cl ebbc ebcc ebel eben ebul ecbc ecbe eccb eccc ecce eccl ecne eeee eeke eele ekeb ekek eken ekne el-b elbe elbu elcb elce elec elee elek elen elke elle ellu elne elue elul enb- enbn ence encl enee enel enke ennc enne ennu enue eubc eule kbbb kbbc kbbe kbbk kbbl kbbu kbcb kbce kbck kbcl kbcu kbeb kbec kbee kbek kbel kben kbkb kbkk kbkl kblb kble kbll kblu kbnl kbnn kbnu kbub kbuc kbue kbuk kbul kbun kbuu kcbc kcbk kcbl kcbu kccb kccc kcck kccl kccu kceb kcec kcee kcel kceu kckc kckk kckl kckn kclc kcle kclk kcll kcln kclu kcnb kcub kcue kcuk kcul kebb kebc kebe kebn kebu keck keek keel keen kekb kekc keke kekl keku kele kelk kell keln kelu ken- kene kenk kenl kenn kenu keul keun kkbb kkbe kkbl kkbn kkcb kkck kkcl kkcn kken kkkk kklb kklc kkll kkln kknb kkne kknn kknu kkuu klbb klbc klbe klbl klbn klbu klcb klcc klce klck klcl klcn kleb klec klee klek klen klkc klkk klkl klkn kllb kllc klle kllk klnc klne klnn klub klue kluk klun kluu knbb knbc knbe knbn knbu kncb knce knck kncn kncu kneb knec knee knek knel knen kneu knkk knlb knlc knnb knnk knub knue knuk kubb kubc kube kubu kucb kucc kuce kuek kuel kuen kueu kuke kukk kukl kukn kuku kulb kule kull kuln kulu kunc kune kunk kunu kuub kuuk kuul kuuu lbcc lcbc lccc lcce le-u lebu lece leck leek leel leen leke lekk lele lell lelu lene lenk lenn leuc leuk leun llcc lleu lllc llll lnnk lube luce luck luke lule lull lulu lune lunk lunn luuk nbbc nbcc ncbc nccc nccn nccu ncec ncee ncel ncen nclc ncln ncnc ncue ncuk nebb nebe nebn nebu necc nece neck neeb neel neen neke neku nelc nele nell nene nenu neuc neue neuk neun neuu nlcc nlec nnnn nubc nube nubk nubl nuce nuck nucu nuee nuel nuke nuku nule null nunc nune nunk nunn nuuk ubbe ubek uble ucbc ucel uele uell ukcc ukek ukeu uknc ulbc ulcc uleb ulee ulek ulen ulle ulne uluk ulul unbe uncc unce uncl uneb unec unee unen unke unkl unkn unle unne uuen uulu uuuu