bbbb bbcm bbeb bcbc bccc bccm bcec bebb bebe bebo beck beeb beek beem beke beko beme beo- beok bmce bmoc bobb bobe bobo boce bock bocm boco boec boee boeo boke boko bomb bome boob booc booe book boom c-bo cbbc cbcc cbce cbcm cbec cbee cbkm cbko cbme ccbc cccb cccc cccm ccee cckm ccmb ccmc ccmm ccob ccoc ccom cec- cece cecm ceco ceeb ceec ceem ceke cemb ceme cemm ckbc ckbe ckck ckcm ckco ckem ckmo ckob ckoc ckom ckoo cmbc cmcc cmec cmmb cmmc cmoc cobb cobe cobo coce cock coco cok- coke coko com- comb comc come comm como coob cook coom ebbc ebbo ebcc eboe eboo ecbc ecbe eccb eccc ecce eccm ecco ecem ecko eco- eeee eeke eemo eeoc ekco ekeb ekek embe embo emcc emco emek emme kbbb kbbc kbbe kbbk kbbm kbbo kbcb kbce kbck kbco kbeb kbec kbee kbek kbeo kbkb kbkk kbko kbmb kbmc kbme kbmo kbob kboc kboe kbok kboo kcbc kcbk kccb kccc kcck kceb kcec kcee kceo kckc kckk kckm kcko kcmb kcmc kcme kcmk kcmm kcmo kcob kcoe kcom kebb kebc kebe keck keco keek keem kekb kekc keke keko kemb kemc keme kemm kemo keok keom kkbb kkbe kkbo kkcb kkck kkcm kkco kkkk kkmc kkmk kkmo kkob kkoo kmbc kmcb kmcc kmce kmcm kmco kmem kmeo kmke kmkk kmko kmme kmmk kmmm kmmo kmob kmoc kmoe kmok kmom kobb kobc kobe kobk kobo kocb kock kocm kokb kokc koke kokk koko komb komc kome komo koob kooc kook kooo mcbc mccc mckk mcmc mebe mebo mec- mecc mece meck meco meek meem meke meko memc meme memo meoc meok mmcc mmcm mmmc mmmm mobb mobe mobo mock moco moke moko mome momo moob mooc mooe mook o-eo obbo obec obkb oboe obok ocbc occc oce ocee ocke ocom oec- oecc oeec oeme okko okmo okok okom ombe ombo omee omeo omo- omoe omoo oobe oome oooo