c-cd cccc cccf cccm ccdc ccdf ccdm ccdr ccfc ccfd ccff ccmc ccmd ccmm ccoc ccod ccom ccrc ccrf cd-r cddr cdmf cdom cfcf cfcm cfco cffr cfmo cfom cfor cmcc cmdr cmmc cmoc cmrr coco codd cofc coff com- comc comd comm como comr cood coof coom cor- corc cord corf corm coro corr crcc crcr crdc crfc crmo croc crod crom croo cror dccc dcfc dcom dddd ddoc ddrc dfcc dfco dfrf dmcc dmcm dmdc dmrc doco dod- dodd dodo doff domm domo dood doof doom door dorc dord dorf dorm doro dorr drfc drod drof drom fccf fcmr fdoc fdom ffcc ffff ffrr fmod foco fofo fomc fomo food foof foom for- ford form foro forr frcc frfc from mccc mccd mcdc mcdd mcdo mcfc mcfd mcmc mcrc mcrd mdcc mddm mdmc mdmf mdoc mdrc mfcc mfor mmcc mmcd mmcm mmdc mmdf mmfd mmff mmmc mmmd mmmm mmod mmor mmrc mmrf moco modd modo moff mofo momo mooc mood moor mord morf moro mr-c mrcc mrdd mrfc mrmc mrmd mrrc occc ocom ocro ocrr oddd odmr odom odoo odor ofcr ofdr off- offc offo offr ofor omo- omoo omor omro oocr ooff oooo oord orco ordo orff ormo oro- orof orom oror orro rccc rcdc rcfc rcrd rdcm rdoc rffc rocc roco rodd rodo rofc roff rofo romd romm romo rood roof room roor rorc roro rrfc rrmc rrrr