cccc cccm ccmc ccmm ccnc ccnm ccoc ccom chch chcm chmc chmn chmo chnc chnm chno choc choh chon choo cmcc cmhc cmmc cmmn cmnh cmoc cmon cnco cnoh coch coco cohn coho com- comc comm como con- conc conn cono cooh coom coon hccc hcch hcmc hcmm hhhh hmmm hoch hocn hohm hohn hoho hom- homo hono hoom hoon mccc mcmc mhmm mmcc mmcm mmhm mmmc mmmh mmmm moch moco mohm mohn moho momo mon- monc monn mono mooc moon nccc nccn nchc ncmh ncmm ncnc ncoc nhcc nhmc nhnn nhon nmmc nmnh nmoc nmon nnmc nnnn noch noco nohn noho nom- nomo non- nonn nono noo- noon nooo occc occn ocom ocon ohcc ohho ohno ohoh omn- omo- omon omoo onc- onco onno onon ooho oooh oooo