cccc ccgc ccoc ccrc ccrg cgcc cgcg cgro ckck ckco ckgo ckoc ckoo ckor ckrc cock coco cogo cok- coko cook cor- corc corg cork coro corr crcc crcr crkc croc crok croo cror gc-c gccc gcrg gggg gocr gogo goog gook goor gorg goro gorr grcc groc grog grok groo gror grrr kccc kcck kccr kcgc kcgr kckc kckk kcko kckr kcog kcor kcrc kcrg kcro kcrr kgcc kgcr kggg kggo kggr kgor kgrc kgrg kgrk kgro kgrr kkck kkco kkcr kkgo kkgr kkkk kkoo kkor kkrc kkrk kkro kkrr kock kogg kogo kokc kokk koko kokr kooc koog kook kooo koor korc korg kork koro korr krcc krcg krco krkc krkk krko krkr kroc krog krok kroo kror krrc krrg krrk krro krrr occc ocro ocrr ogog ogro okgo okko okok okor okro oocr oooo orco orgo orko oro- orok oror orro rccc rcgc rcrg rocc rock roco rogg rogo rokk roko rokr roog rook roor rorc rork roro rrrr