cccc ccgc ccnc ccnr ccoc ccrc ccrg cgcc cgcg cgro ckck ckco ckgn ckgo cknc ckoc ckoo ckor ckrc cnco cnrc cnrr cock coco cogo cok- coko con- conc cong conk conn cono cook coon cor- corc corg cork corn coro corr crcc crcr crkc croc crok cron croo cror gc-c gccc gcrg gggg ggrn gncc gngc gnoo gnrc gnrr gocr gogo gon- gong gonk gonn gono goog gook goon goor gorg gorn goro gorr grcc groc grog grok gron groo gror grrr kccc kcck kccr kcgc kcgr kckc kckk kckn kcko kckr kcno kcnr kcog kcon kcor kcrc kcrg kcrn kcro kcrr kgcc kgcn kgcr kggg kggo kggr kgnc kgng kgno kgnr kgon kgor kgrc kgrg kgrk kgrn kgro kgrr kkck kkcn kkco kkcr kkgo kkgr kkkk kknn kkno kkon kkoo kkor kkrc kkrk kkrn kkro kkrr knck kncn knco kncr kngn kngr knkk knng knnk knnr knoc knog knok knon knor knrg knrk knro kock kocn kogg kogn kogo kokc kokk kokn koko kokr konc kong konk kono kooc koog kook koon kooo koor korc korg kork korn koro korr krcc krcg krcn krco krgn krkc krkk krkn krko krkr krng krnk krnn krno kroc krog krok kroo kror krrc krrg krrk krrn krro krrr nccc nccn nccr ncgr ncnc ncoc ncor ncrc ngon ngor nkok nkor nngn nnnn nock noco nogg nogo noko non- nong nonn nono noo- nook noon nooo noor nor- norc norg nork norn noro norr nroc nron nrrc occc occn ocon ocro ocrr ogog ogon ogro okgo okko okno okok okon okor okro onc- onco ongo onno onon onor oocr oooo orco orgn orgo orko ornc orno oro- orok oron oror orro rccc rcgc rcnr rcon rcrg rnco rocc rock roco rogg rogo rokk roko rokr ronc rong ronk rono roog rook roon roor rorc rork roro rrrr