cccc cccf cccm ccfc ccff ccmc ccmm ccnc ccnf ccnm ccoc ccom cfcf cfcm cfcn cfco cfmo cfnm cfom chch chcm chfc chmc chmn chmo chnc chnm chno choc choh chon choo cmcc cmhc cmmc cmmn cmnh cmoc cmon cnco cnoh coch coco cofc coff cohn coho com- comc comm como con- conc conf conn cono coof cooh coom coon fccf fcch ffcc ffff fmno foch foco fofo fohn fomc fomo fono foof foom foon hccc hcch hcfc hcmc hcmm hhhh hhof hmmm hoch hocn hoff hohm hohn hoho hom- homo hono hoof hoom hoon mccc mcfc mcmc mfcc mhmm mmcc mmcm mmff mmhm mmmc mmmh mmmm moch moco moff mofo mohm mohn moho momo mon- monc monn mono mooc moon nccc nccf nccn ncfc nchc ncmh ncmm ncnc ncoc nfff nfon nhcc nhmc nhnn nhon nmff nmmc nmnh nmoc nmon nnmc nnnn noch noco nohn noho nom- nomo non- nonn nono noo- noon nooo occc occn ocom ocon off- offc offh offo ofno ohcc ohho ohno ohoh omn- omo- omon omoo onc- oncf onco onno onon ooff ooho oooh oooo