bbbb bbch bbcm bbeb bcbc bccc bccm bcec bche bebb bebe bebo bech beeb beem behm beme beo- bhcc bmce bmoc bobb bobe bobo boce boch bocm boco boec boee boeo bohm boho bomb bome boob booc booe booh boom c-bo cbbc cbcc cbce cbcm cbec cbee cbme ccbc cccb cccc cccm ccee cche ccmb ccmc ccmm ccob ccoc ccom cec- cece cecm ceco ceeb ceec ceem cemb ceme cemm chce chch chcm cheb chec chee cheh chem chmb chmc chmo choc choh choo cmbc cmcc cmec cmhc cmmb cmmc cmoc cobb cobe cobh cobo coce coch coco coho com- comb comc come comm como coob cooh coom ebbc ebbo ebcc eboe eboo ecbc ecbe eccb eccc ecce eccm ecco ecem eche echo eco- eeee eemo eeoc ehcc eheh embe embo emcc emco emhc emme emoh hboc hcbc hccb hccc hcch hcmc hcmm hebb hebe hebo hech heeb heem hehe heho hem- heme hemo heom hhhh hmhb hmmm hobe hobo hoce hoch hohe hohm hoho hom- home homo hooe hoom mcbc mccc mcmc mebe mebo mec- mecc mece mech meco meem mehe memc meme memo meoc mhem mhmm mmcc mmcm mmhm mmmc mmmh mmmm mobb mobe mobo moch moco mohe mohm moho mome momo moob mooc mooe o-eo obbo obec oboe ocbc occc oce ocee oche ocom oec- oecc oeec oeme ohbe ohcc ohee ohho ohme ohob ohoh ombe ombo omee omeo omo- omoe omoo oobe ooho oome oooh oooo