bbbb bbeb bblb bcbc bcbp bccc bccl bcec bcpl bcpp bcuc bcup bebb bebe beck becu beeb beek beel beep beke bele belk bell belp belu beuk blcu bleb blee blek bleu blkb blub blue blup bpcp bpel bubb bube bubu bucc buce buck bucu buel bueu buke bukk buku bulb bule bulk bull bulu bupc cbbc cbcc cbce cbcl cbcp cbcu cbec cbee cbkl cblb cblc cbpc cbpp ccbc cccb cccc cccl cccp cccu ccee ccel cclc ccpe ccpl ccpp ccuc ccup cebp cebu cec- cece cecp ceeb ceec ceel ceke cel- celc cele cell cepc cepe cepp ckbc ckbe ckck ckcl ckpc clec clee clek clep cleu clpb clpp club clue cpbc cpce cpcu cpeb cpep cplc cub- cubb cube cucc cuce cuck cuek cuk- cuke culb culc cule culk cull culp cupe cupl cupp e-cl ebbc ebcc ebel ebul ecbc ecbe eccb eccc ecce eccl ecpp eeee eeke eele ekeb ekek ekpe el-b el-p elbe elbu elcb elce elec elee elek elke elle ellu elpe elue elul epcc epec epee eple epll eppc eppp epub eubc eule kbbb kbbc kbbe kbbk kbbl kbbu kbcb kbce kbck kbcl kbcu kbeb kbec kbee kbek kbel kbkb kbkk kbkl kblb kble kbll kblp kblu kbpc kbpe kbpk kbpu kbub kbuc kbue kbuk kbul kbup kbuu kcbc kcbk kcbl kcbu kccb kccc kcck kccl kccu kceb kcec kcee kcel kcep kceu kckc kckk kckl kclc kcle kclk kcll kclu kcpc kcpl kcpu kcub kcue kcuk kcul kcup kebb kebc kebe kebu keck keek keel keep kekb kekc keke kekl keku kele kelk kell kelp kelu kep- kepc kepe kepu keul keup kkbb kkbe kkbl kkcb kkck kkcl kkkk kklb kklc kkll kkpc kkpk kkpl kkup kkuu klbb klbc klbe klbl klbu klcb klcc klce klck klcl kleb klec klee klek klep klkc klkk klkl kllb kllc klle kllk kllp klpc klub klue kluk klup kluu kpbb kpbe kpbl kpcc kpcl kpek kpel kpke kpkk kpkl kplc kplk kplu kppc kppk kppl kppp kpub kpul kubb kubc kube kubu kucb kucc kuce kucp kuek kuel kueu kuke kukk kukl kuku kulb kule kull kulp kulu kupb kupe kupl kupu kuub kuuk kuul kuuu lbcc lcbc lccc lcce lcpc lcpl le-u lebu lece leck leek leel leep leke lekk lele lell lelu lepe lepp leuc leuk llcc lleu lllc llll lpec lppl lube luce luck luke lule lull lulu lupe lupu luuk luup pbcc pblu pbpk pcbc pccc pcce pccl pcep pclk pcll pcpb pcpp pebl pece peck pecl peec peek peel peep peke pekk pel- pelb pele pell pelu pepe peul plcc plce ple- pleb plec plee plek pleu plkk plpp plue pluk plup ppcc pple pppp pu-e pube publ pubu puce puck puel pueu puke puku pule pulk pull pulp pulu pupe pupl pupu puuc ubbe ubek uble ubpc ucbc uccp ucel ucpb uele uell ukcc ukek ukeu ukup ulbc ulcc uleb ulee ulek ulle uluk ulul upbe uplb uppc uppe uppp uppu upup uucp uulu uuuu