bbbb bbcm bcbc bccc bccm bmoc bnoc bobb bobo bocm boco bomb bonc bonn bono boob booc boom boon c-bo cbbc cbcc cbcm cbcn ccbc ccbn cccb cccc cccm ccmb ccmc ccmm ccnb ccnc ccnm ccob ccoc ccom cmbc cmcc cmmb cmmc cmmn cmoc cmon cnbc cnbm cnco cobb cobo coco com- comb comc comm como con- conc conn cono coob coom coon mcbc mccc mcmc mmcc mmcm mmmc mmmm mnbb mobb mobo moco momo mon- monc monn mono moob mooc moon nbbc nbbo nbcc nbco ncbc nccc nccn ncmm ncnc ncoc nmmc nmoc nmon nnmc nnnn nobc nobm nobo noco nom- nomo non- nonn nono noo- noob noon nooo obbo obon ocbc occc occn ocom ocon ombo omn- omo- omon omoo onc- onco onno onon oooo