c-cd cccc cccm ccdc ccdm ccdr ccmc ccmd ccmm ccoc ccod ccom ccrc ccrt cctc cctt cd-r cddr cdom cdot cmcc cmdr cmmc cmoc cmot cmrr cmtc coco coct codd com- comc comd comm como comr cood coom coot cor- corc cord corm coro corr cort cotc coto cott crcc crcr crdc crmo croc crod crom croo cror crot crrt crtc crtm ctmo ctor ctot ctrc ctrm dccc dcct dcom dctc dctm dddd ddoc ddot ddrc dmcc dmcm dmdc dmdt dmrc doco doct dod- dodd dodo domm domo dood doom door doot dorc dord dorm doro dorr dort dotd doto dott drod drom drot dtcc dtor dtot mccc mccd mcdc mcdd mcdo mcmc mcmt mcot mcrc mcrd mctc mdcc mddm mdmc mdoc mdot mdrc mmcc mmcd mmcm mmct mmdc mmmc mmmd mmmm mmod mmor mmrc moco modd modo momo mooc mood moor moot mord moro mort motd motm moto mott mr-c mrcc mrdd mrmc mrmd mrrc mrtm mrtt mtcr mtom mtor mtrc mtrr mttr occc occt ocom ocro ocrr oct- octo oddd odmr odom odoo odor odot omo- omoo omor omro oocr oooo oord oort orco ordo ormo oro- orom oror orot orro ortc orto otcd oto- otoo otor otro otto rccc rcdc rcrd rctc rdcm rdoc rocc roco rodd rodo romd romm romo rood room roor root rorc roro rort rotc roto rotr rott rrmc rrrr rtcc rtcm rtdt rtmc t-mo tccc tcdd tcom tctc tdor tmcc tmcm tmro tmtt toco todd todo todt tomm tomo tomt tood toom toor toot torc tord torm toro torr tort totc totd totm toto totr tott trcc trmd troc trod trom troo trot trtc trtr tttt