cccc cckw ccnc ccnr ccoc ccow ccrc ckck ckco ckcw cknc cknw ckoc ckoo ckor ckrc ckrw ckwr ckww cnco cnrc cnrr cock coco cok- coko con- conc conk conn cono cook coon cor- corc cork corn coro corr crcc crcr crkc croc crok cron croo cror crow cwrw kccc kcck kccr kckc kckk kckn kcko kckr kcno kcnr kcnw kcon kcor kcow kcrc kcrn kcro kcrr kcrw kcwc kcwk kcwn kcwr kkck kkcn kkco kkcr kkcw kkkk kknn kkno kknw kkon kkoo kkor kkow kkrc kkrk kkrn kkro kkrr kkwk kkwn knck kncn knco kncr kncw knkk knnk knnr knnw knoc knok knon knor know knrk knro knwc knwo knwr kock kocn kocw kokc kokk kokn koko kokr konc konk kono kooc kook koon kooo koor korc kork korn koro korr kowr krcc krcn krco krcw krkc krkk krkn krko krkr krkw krnk krnn krno kroc krok kroo kror krow krrc krrk krrn krro krrr krrw krwc krwk krwn krwr kwck kwcn kwcr kwkc kwkk kwkr kwkw kwnc kwno kwnr kwnw kwoc kwok kwon kwor kwow kwrk kwrn kwro kwrr kwrw kwwk kwwn kwwr nccc nccn nccr ncnc ncoc ncor ncow ncrc ncwc ncwk nkok nkor nnnn nock noco noko non- nonn nono nonw noo- nook noon nooo noor nor- norc nork norn noro norr norw nowk nown nroc nron nrrc occc occn ocon ocro ocrr okko okno okok okon okor okro onc- onco onno onon onor oocr oooo orco orko ornc orno oro- orok oron oror orro orwo owow rccc rcnr rcon rnco rocc rock roco rokk roko rokr ronc ronk rono ronw rook roon roor rorc rork roro rowk rown rowr roww rrrr wccc wcck wccn wcco wccr wccw wckk wckn wckr wckw wcnc wcnk wcnn wcno wcnr wcnw wcoc wcok wcon wcoo wcor wcrc wcrk wcrn wcro wcrr wcrw wcwc wcwn wkcn wkco wkcw wkkc wkkn wkko wkkr wkkw wknk wkno wknr wknw wkoc wkok wkoo wkor wkow wkrc wkrk wkro wkrr wkwc wkwn wncc wnck wncn wnco wncr wncw wnkn wnko wnkr wnnc wnnr wnnw wnoc wnok wnoo wnor wnow wnrn wnrr wnrw wnwc wnwk wnwn wnwr wnww wocc wocn woco wocr wokc wokk wokn woko wokr wokw wonc wonk wonn wonw wooc wook woon woow worc work worn woro worr worw wowc wown wowo woww wrck wrco wrcr wrcw wrkc wrkk wrkn wrko wrkr wrkw wrnn wrno wrnr wrnw wroc wrok wron wroo wrow wrrc wrrk wrrn wrro wrrw wrwc wrwn wrwr wwck wwcn wwco wwcr wwcw wwkc wwkn wwkr wwnc wwnn wwno wwnr wwnw wwon wwor wwow wwrc wwrk wwrr wwrw wwwc wwwk wwwn wwwr wwww