-ene bbbb bbeb bblb bcbc bccc bccl bcec bebb bebe beck beeb beek beel been beke bele belk bell bene benk benn bleb blee blek blkb cbbc cbcc cbce cbcl cbcn cbec cbee cbkl cbkn cblb cblc cbln ccbc ccbn cccb cccc cccl ccee ccel cclc ccnb ccnc ccne cec- cece ceeb ceec ceel ceke cel- celc cele cell cen- cene ckbc ckbe ckck ckcl cken ckln cknb cknc clec clee clek cnbc cnbl cnel e-cl ebbc ebcc ebel eben ecbc ecbe eccb eccc ecce eccl ecne eeee eeke eele ekeb ekek eken ekne el-b elbe elcb elce elec elee elek elen elke elle elne enb- enbn ence encl enee enel enke ennc enne kbbb kbbc kbbe kbbk kbbl kbcb kbce kbck kbcl kbeb kbec kbee kbek kbel kben kbkb kbkk kbkl kblb kble kbll kbnl kbnn kcbc kcbk kcbl kccb kccc kcck kccl kceb kcec kcee kcel kckc kckk kckl kckn kclc kcle kclk kcll kcln kcnb kebb kebc kebe kebn keck keek keel keen kekb kekc keke kekl kele kelk kell keln ken- kene kenk kenl kenn kkbb kkbe kkbl kkbn kkcb kkck kkcl kkcn kken kkkk kklb kklc kkll kkln kknb kkne kknn klbb klbc klbe klbl klbn klcb klcc klce klck klcl klcn kleb klec klee klek klen klkc klkk klkl klkn kllb kllc klle kllk klnc klne klnn knbb knbc knbe knbn kncb knce knck kncn kneb knec knee knek knel knen knkk knlb knlc knnb knnk lbcc lcbc lccc lcce lece leck leek leel leen leke lekk lele lell lene lenk lenn llcc lllc llll lnnk nbbc nbcc ncbc nccc nccn ncec ncee ncel ncen nclc ncln ncnc nebb nebe nebn necc nece neck neeb neel neen neke nelc nele nell nene nlcc nlec nnnn