cccc cccl cchl cchr cclc ccoc ccrc ccrl chch chlc chlr choc choh chok chol choo chor chrc chro chrr ckch ckck ckcl ckco ckoc ckoo ckor ckrc clok cloo clor clro coch cock coco coho cok- coko col- colk coll colo cooh cook cool cor- corc cork corl coro corr crcc crcr crkc crkl croc croh crok crol croo cror hccc hcch hhcl hhhh hkcc hkcl hoch hock hocr hohl hoho hoko hol- holc holh holk holl holo hook hool hoor horc hork horl horo horr hrrc k-lo kccc kcck kccl kccr kchh kchk kchl kcho kchr kckc kckk kckl kcko kckr kclc kclh kclk kcll kclr kcoh kcol kcor kcrc kcrh kcro kcrr khcc khch khck khhk khhl khho khkk khkr khlc khll khlo khlr khoc khok khol khor khrk khro khrr kkch kkck kkcl kkco kkcr kkhh kkhk kkhr kkkk kklc kklh kkll kklo kkoh kkol kkoo kkor kkrc kkrh kkrk kkrl kkro kkrr klcc klch klck klcl klcr klhc klkc klkk klkl klko klkr kllc kllk kloc kloh klok klol kloo klor klrc klrk klrr koch kock kohh kohl koho kohr kokc kokh kokk koko kokr kolc kolk koll kolo kolr kooc kook kool kooo koor korc kork korl koro korr krcc krch krcl krco krhc krkc krkh krkk krko krkr krlc kroc kroh krok krol kroo kror krrc krrk krrl krro krrr lccc lchc lchr lcor lcrl lhhh lhor llcc lllc llll lloc lloo locc loch lock loco loho lohr lokk loko loll lolo looc look lool loor lork loro lroc lrrc lrrr occc oclc ocrl ocro ocrr ohcc ohho ohoh ohok okko oklo okok okol okor okro olcc ollo olor oocr ooho oolo oooh oooo orch orco orko orlo oro- orok oror orro rccc rhoc rhoh rocc roch rock roco rohl rohr rokh rokk roko rokr rolk roll rolo rook rool roor rorc rork roro rrrr