bbbb bbeb bbet bblb bcbc bccc bccl bcec bcet bctc bcuc bebb bebe beck becu beeb beek beel beet beke bele belk bell belt belu betc bete bett betu beuk blbt blcu bleb blee blek blet bleu blkb blub blue blut btcc btcl btec btek bttb bubb bube bubu bucc buce buck bucu buel bueu buke bukk buku bulb bule bulk bull bult bulu but- bute butt cbbc cbcc cbce cbcl cbct cbcu cbec cbee cbet cbkl cblb cblc cbtc cbtl ccbc cccb cccc cccl cccu ccee ccel cclc cctb cctc cctl cctt ccuc ccut cebu cec- cece cect ceeb ceec ceel ceke cel- celc cele cell celt cet- cete ckbc ckbe ckck ckcl cktb clec clee clek clet cleu cltb cltc club clue clut ctec ctle cub- cubb cube cucc cuce cuck cuek cuk- cuke culb culc cule culk cull cult cut- cutc cute cutt e-cl ebbc ebcc ebel ebul ecbc ecbe eccb eccc ecce eccl ecct eclt ect- ectc eeee eeke eele eetc eete eetu ekeb ekek eket el-b elbe elbu elcb elce elec elee elek elet elke elle ellu elte elue elul etbc etcc etec etee etel ette ettu eubc eule kbbb kbbc kbbe kbbk kbbl kbbt kbbu kbcb kbce kbck kbcl kbct kbcu kbeb kbec kbee kbek kbel kbet kbkb kbkk kbkl kblb kble kbll kblt kblu kbtb kbtc kbte kbtk kbtl kbtt kbub kbuc kbue kbuk kbul kbut kbuu kcbc kcbk kcbl kcbu kccb kccc kcck kccl kcct kccu kceb kcec kcee kcel kcet kceu kckc kckk kckl kclc kcle kclk kcll kclt kclu kctb kctc kcte kctu kcub kcue kcuk kcul kebb kebc kebe kebt kebu keck keek keel keet kekb kekc keke kekl keku kele kelk kell kelt kelu ket- ketc kete ketk kett ketu keul kkbb kkbe kkbl kkbt kkcb kkck kkcl kkct kkkk kklb kklc kkll kktc kktk kktl kktu kkut kkuu klbb klbc klbe klbl klbt klbu klcb klcc klce klck klcl kleb klec klee klek klet klkc klkk klkl kllb kllc klle kllk kltc kltk kltt klub klue kluk kluu ktbb ktbc ktbl ktbt ktbu ktcc ktce ktck ktcl ktec ktee ktek ktel ktkb ktkc ktke ktkk ktkt ktku ktlb ktlk ktlt ktlu kttc kttk kttt kttu ktub ktuc ktul kubb kubc kube kubu kucb kucc kuce kuek kuel kueu kuke kukk kukl kuku kulb kule kull kult kulu kute kutt kutu kuub kuuk kuul kuuu lbcc lcbc lccc lcce lctl le-u lebu lece leck lect leek leel leet leke lekk lele lell lelu lete lett leuc leuk llcc llet lleu lllc llll ltbl ltcc ltee ltke lttc ltuc lube luce luck luke lule lull lulu lute luuk tbcb tbcc tbce tccc tccu tctc tcul tebu teck tecl tect teec teek teel teet teke tel- telc tele tell telt telu tete tett tetu teuk teut ttbb tttt ttul tubb tube tubu tucc tuck tuel tuet tuke tule tulk tull tulu tute tutl tutt tutu ubbe ubek ubet uble ucbc ucel ucut uele uell ukcc ukek ukeu ulbc ulcc uleb ulee ulek ulle ultt uluk ulul utec utel uttu uulu uuuu