cccc cccm cchr ccmc ccmm ccoc ccom ccrc chch chcm chmc chmo choc choh choo chor chrc chro chrr cmcc cmhc cmmc cmoc cmrr coch coco coho com- comc comm como comr cooh coom cor- corc corm coro corr crcc crcr crmo croc croh crom croo cror hccc hcch hcmc hcmm hhhh hmmm hoch hocr hohm hoho hom- homo homr hoom hoor horc horo horr hrrc mccc mcmc mcrc mhmm mhmr mhor mmcc mmcm mmhm mmmc mmmh mmmm mmor mmrc moch moco mohm moho mohr momo mooc moor moro mr-c mrcc mrmc mrrc occc ocom ocro ocrr ohcc ohho ohoh omo- omoo omor omro oocr ooho oooh oooo orch orco ormo oro- orom oror orro rccc rchm rhcm rhoc rhoh rocc roch roco rohm rohr romm romo room roor rorc roro rrmc rrrr