bbbb bbch bbeb bblb bcbc bccc bccl bcec bche bebb bebe bech beck beeb beek beel beke bele belk bell bhcc bhel bleb blee bleh blek blkb cbbc cbcc cbce cbcl cbec cbee cbhl cbkl cblb cblc ccbc cccb cccc cccl ccee ccel cche cchl cclc cec- cece ceeb ceec ceel cehl ceke cel- celc cele cell chce chch cheb chec chee cheh chek chel chkb chlc ckbc ckbe ckch ckck ckcl clec clee clek e-cl ebbc ebcc ebel ecbc ecbe eccb eccc ecce eccl eche echl eeee eeke eele ehcc eheh ehel ehle ekch ekeb ekek el-b elbe elcb elce elch elec elee eleh elek elke elle hcbc hccb hccc hcch hebb hebe hech heck heeb heek heel hehe heke hele helk hell hhcl hhhh hkcc hkcl kbbb kbbc kbbe kbbk kbbl kbcb kbce kbch kbck kbcl kbeb kbec kbee kbeh kbek kbel kbhb kbhc kbhe kbhh kbhl kbkb kbkk kbkl kblb kble kbll kcbc kcbk kcbl kccb kccc kcck kccl kceb kcec kcee kcel kche kchh kchk kchl kckc kckk kckl kclc kcle kclh kclk kcll kebb kebc kebe kech keck keeh keek keel kehk kehl kekb kekc keke kekl kele kelk kell khbc khcb khcc khch khck kheb khec khel khhk khhl khke khkk khlc khle khll kkbb kkbe kkbl kkcb kkch kkck kkcl kkhb kkhh kkhk kkkk kklb kklc kklh kkll klbb klbc klbe klbl klcb klcc klce klch klck klcl kleb klec klee klek klhb klhc klkc klkk klkl kllb kllc klle kllk lbcc lcbc lccc lcce lchc lece lech leck leek leel lehe leke lekh lekk lele lell lhec lhee lhhh llcc lllc llll