cccc cccl cccm cckm cclc cclm ccmc ccmm ccoc ccom ccrc ccrl ckck ckcl ckcm ckco cklm ckml ckmo ckoc ckom ckoo ckor ckrc ckrm clok clom cloo clor clro cmcc cmll cmmc cmml cmoc cmrr cock coco cok- coko col- colk coll colm colo com- comc coml comm como comr cook cool coom cor- corc cork corl corm coro corr crcc crcr crkc crkl crmo croc crok crol crom croo cror k-lo kccc kcck kccl kccr kckc kckk kckl kckm kcko kckr kclc kclk kcll kclm kclr kcmc kcmk kcml kcmm kcmo kcmr kcol kcom kcor kcrc kcro kcrr kkck kkcl kkcm kkco kkcr kkkk kklc kkll kklo kkmc kkmk kkml kkmo kkmr kkol kkoo kkor kkrc kkrk kkrl kkro kkrr klcc klck klcl klcm klcr klkc klkk klkl klko klkr kllc kllk klmk klmm klmr kloc klok klol kloo klor klrc klrk klrm klrr kmcc kmcl kmcm kmco kmcr kmkk kmkl kmko kmlk kmlo kmmk kmml kmmm kmmo kmmr kmoc kmok kmom kmor kmrc kmro kmrr kock kocm kokc kokk koko kokr kolc kolk koll kolm kolo kolr komc komo komr kooc kook kool kooo koor korc kork korl koro korr krcc krcl krcm krco krkc krkk krko krkr krlc krmc krml krmo krmr kroc krok krol krom kroo kror krrc krrk krrl krrm krro krrr lccc lccm lcor lcrl llcc lllc llll lloc lloo lmcc lmmr locc lock loco lokk loko loll lolo lomm lomo looc look lool loom loor lork loro lrmc lroc lrrc lrrr mccc mccl mckk mcmc mcml mcrc mlcc mmcc mmcl mmcm mmmc mmmm mmor mmrc mock mocl moco moko molk moll molo molr momo mooc mook mool moor mork morl moro mr-c mrcc mrkr mrmc mrml mrrc occc oclc ocml ocom ocrl ocro ocrr okko oklo okmo okok okol okom okor okro olcc ollo olmo olom olor omo- omoo omor omro oocr oolo oooo orco orko orlo ormo oro- orok orom oror orro rccc rlml rmll rocc rock roco rokk roko rokr rolk roll rolm rolo romk romm romo rook rool room roor rorc rork roro rrkm rrmc rrrr