c-cd cccc cccm ccdc ccdm ccdr ccmc ccmd ccmm ccoc ccod ccom ccrc cd-r cddr cdom cmcc cmdr cmmc cmoc cmrr coco codd com- comc comd comm como comr cood coom cor- corc cord corm coro corr crcc crcr crdc crmo croc crod crom croo cror dccc dcom dddd ddoc ddrc dmcc dmcm dmdc dmrc doco dod- dodd dodo domm domo dood doom door dorc dord dorm doro dorr drod drom mccc mccd mcdc mcdd mcdo mcmc mcrc mcrd mdcc mddm mdmc mdoc mdrc mmcc mmcd mmcm mmdc mmmc mmmd mmmm mmod mmor mmrc moco modd modo momo mooc mood moor mord moro mr-c mrcc mrdd mrmc mrmd mrrc occc ocom ocro ocrr oddd odmr odom odoo odor omo- omoo omor omro oocr oooo oord orco ordo ormo oro- orom oror orro rccc rcdc rcrd rdcm rdoc rocc roco rodd rodo romd romm romo rood room roor rorc roro rrmc rrrr