c-cd cccc cccm cccu ccdc ccdm ccdr cckm ccmc ccmd ccmm ccoc ccod ccom ccrc ccuc cd-r cddr cdom ckck ckcm ckco ckdm ckdo ckdu ckmo ckoc ckom ckoo ckor ckrc ckrd ckrm cmcc cmdr cmmc cmoc cmrr cock coco cocu codd cok- coko com- comc comd comm como comr comu cood cook coom cor- corc cord cork corm coro corr coud couk cour crcc crcr crdc crkc crmo croc crod crok crom croo cror crud cruk crum cucc cuck cucm cuk- cum- curd curo curr dccc dccu dcmu dcom dcrk dddd ddoc ddrc dkdc dmcc dmcm dmdc dmrc dock doco docu dod- dodd dodo doko domm domo dood dook doom door dorc dord dork dorm doro dorr doru douc doud douk doum dour drmk drod drom drou druk drum druu duck duco dudd dudo dudu duku dumm duo- durk duro duru duur kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kckc kckk kckm kcko kckr kcmc kcmd kcmk kcmm kcmo kcmr kcom kcor kcou kcrc kcro kcrr kcru kcuk kdcc kdcd kdco kdcr kddc kddd kddk kddr kdkd kdkk kdko kdkr kdmc kdmd kdmo kdmr kdoc kdok kdom kdrm kdro kduc kdur kkcd kkck kkcm kkco kkcr kkdc kkdd kkdm kkdo kkkk kkmc kkmk kkmo kkmr kkoo kkor kkrc kkrk kkro kkrr kkuu kmcc kmcd kmcm kmco kmcr kmcu kmdo kmdr kmkk kmko kmmk kmmm kmmo kmmr kmoc kmod kmok kmom kmor kmou kmrc kmro kmrr kmuc kmud kmur kocd kock kocm kodk kodm kodo kodu kokc kokk koko kokr koku komc komo komr kooc kook kooo koor koou korc kord kork koro korr koru koum kour kouu krcc krcd krcm krco krcu krdc krdd krdm krdo krdr krdu krkc krkd krkk krko krkr krku krmc krmd krmo krmr kroc krod krok krom kroo kror krrc krrk krrm krro krrr kruc kruk krum krur kucc kucd kuco kucr kudd kudo kudu kukk kuku kumm kumo kumr kumu kuok kuoo kurd kurk kurm kuro kurr kuru kuuk kuur kuuu mccc mccd mcdc mcdd mcdo mckk mcmc mcrc mcrd mdcc mddm mdmc mdmk mdoc mdrc mdud mmcc mmcd mmcm mmdc mmmc mmmd mmmm mmod mmor mmrc mock moco modd modo modu moko momo momu mooc mood mook moor mord mork moro moru moud mouk mour mr-c mrcc mrdd mrkr mrmc mrmd mrrc mrud mruk muc- mucc muck mucu mudd mudu muko mumm mumo mumu murc murd murk muro murr muru occc ocom ocro ocrr ocum ocur oddd odmr odom odoo odor odou odum odur okcu okko okmo okok okom okor okro okur omo- omoo omor omro omuo oocr ooku oooo oord orco ordo ordu orko ormo oro- orok orom oror orro orum oucc oudc our- ouro ouu- rccc rcdc rcrd rdcm rdoc rocc rock roco rodd rodo rokk roko rokr roku romd romk romm romo rood rook room roor rorc rork roro roru roud rouk roum rrkm rrmc rrrr rrum ruck rudd rudo rukk ruku rumm rumo ruok rurc rurd ruro ruru ruud ucdc ucdd ucmc ucom ucrc udmc udoo uduk ukcc ukko ukok ukrc ukum ukur ummo umok umor uocc uomo uor- urdu uro- urok urom uroo uruk urum urur uuoc uuuu