bbbb bbch bbeb bblb bcbc bccc bccl bcec bche bcuc bebb bebe bech beck becu beeb beek beel beke bele belk bell belu beuk bhcc bhel bhuu blcu bleb blee bleh blek bleu blkb blub blue bubb bube bubu bucc buce buch buck bucu buel bueu buhe buhl buke bukh bukk buku bulb bule bulk bull bulu cbbc cbcc cbce cbcl cbcu cbec cbee cbhl cbkl cblb cblc ccbc cccb cccc cccl cccu ccee ccel cche cchl cclc ccuc cebu cec- cece ceeb ceec ceel cehl ceke cel- celc cele cell chce chch cheb chec chee cheh chek chel cheu chkb chlc chub chuk chul ckbc ckbe ckch ckck ckcl clec clee clek cleu club clue cluh cub- cubb cube cucc cuce cuck cuek cuk- cuke culb culc cule culk cull e-cl ebbc ebcc ebel ebul ecbc ecbe eccb eccc ecce eccl eche echl eeee eeke eele ehcc eheh ehel eheu ehle ekch ekeb ekek el-b elbe elbu elcb elce elch elec elee eleh elek elke elle ellu elue elul eubc euch euhl eule hcbc hccb hccc hcch hebb hebe hech heck heeb heek heel hehe heke heku hele helk hell helu heue heuk hhcl hhhh hkbu hkcc hkcl hluk hlul hubb hube hubl huch huck hucu huel huhu huke hulc hule hulk hull hulu huub kbbb kbbc kbbe kbbk kbbl kbbu kbcb kbce kbch kbck kbcl kbcu kbeb kbec kbee kbeh kbek kbel kbhb kbhc kbhe kbhh kbhl kbkb kbkk kbkl kblb kble kbll kblu kbub kbuc kbue kbuk kbul kbuu kcbc kcbk kcbl kcbu kccb kccc kcck kccl kccu kceb kcec kcee kcel kceu kche kchh kchk kchl kchu kckc kckk kckl kclc kcle kclh kclk kcll kclu kcub kcue kcuh kcuk kcul kebb kebc kebe kebu kech keck keeh keek keel kehk kehl kekb kekc keke kekl keku kele kelk kell kelu keul khbc khcb khcc khch khck kheb khec khel khhk khhl khke khkk khlc khle khll khub khuk kkbb kkbe kkbl kkcb kkch kkck kkcl kkhb kkhh kkhk kkkk kklb kklc kklh kkll kkuu klbb klbc klbe klbl klbu klcb klcc klce klch klck klcl kleb klec klee klek klhb klhc klkc klkk klkl kllb kllc klle kllk klub klue kluh kluk kluu kubb kubc kube kubu kucb kucc kuce kuch kuek kuel kueu kuhl kuhu kuke kukh kukk kukl kuku kulb kule kulh kull kulu kuub kuuk kuul kuuu lbcc lcbc lccc lcce lchc le-u lebu lece lech leck leek leel lehe lehu leke lekh lekk lele lell lelu leuc leuk lhec lhee lhhh llcc lleu lllc llll lube luce luch luck luhe luhu luke lukh lule lull lulu luuk ubbe ubek uble ucbc ucel uche uele uell uhcl uhle uhuh ukcc ukek ukeu ulbc ulcc ulch uleb ulee ulek ulle uluk ulul uulu uuuu