-ene bbbb bbch bbeb bcbc bccc bcec bche bebb bebe bech beck beeb beek been behn beke bene benk benn bhcc cbbc cbcc cbce cbcn cbec cbee cbkn ccbc ccbn cccb cccc ccee cche ccnb ccnc ccne cec- cece ceeb ceec ceke cen- cene chce chch cheb chec chee cheh chek chen chkb chnb chnc ckbc ckbe ckch ckck cken cknb cknc cnbc ebbc ebcc eben ecbc ecbe eccb eccc ecce eche ecne eeee eeke ehcc eheh ehen ekch ekeb ekek eken ekne enb- enbn ence ench enee enke ennc enne hcbc hccb hccc hcch hebb hebe hech heck heeb heek hehe hehn heke hene henh henk henn hhhh hkcc hnce kbbb kbbc kbbe kbbk kbcb kbce kbch kbck kbeb kbec kbee kbeh kbek kben kbhb kbhc kbhe kbhh kbhn kbkb kbkk kbnh kbnn kcbc kcbk kccb kccc kcck kceb kcec kcee kche kchh kchk kchn kckc kckk kckn kcnb kcnh kebb kebc kebe kebn kech keck keeh keek keen kehk kekb kekc keke ken- kene kenk kenn khbc khcb khcc khch khck kheb khec khhk khke khkk khkn khnc khne khnk kkbb kkbe kkbn kkcb kkch kkck kkcn kken kkhb kkhh kkhk kkkk kknb kkne kknn knbb knbc knbe knbn kncb knce knch knck kncn kneb knec knee knek knen knhc knhk knkk knnb knnk nbbc nbcc ncbc nccc nccn ncec ncee ncen nchc ncnc nebb nebe nebn necc nece nech neck neeb neen nehe neke nene nenh nhcc nheb nhnn nnnn