cccc cccl ccgc cclc cclg ccoc ccrc ccrg ccrl cgcc cgcg cgro ckck ckcl ckco ckgl ckgo cklg ckoc ckoo ckor ckrc clkg clog clok cloo clor clro cock coco cogo cok- coko col- colk coll colo cook cool cor- corc corg cork corl coro corr crcc crcr crkc crkl croc crok crol croo cror gc-c gccc gclc gcrg ggcl gggg glcc glog glor glro gocr gogo golk goll golo goog gook gool goor gorg goro gorr grcc groc grog grok grol groo gror grrl grrr k-lo kccc kcck kccl kccr kcgc kcgl kcgr kckc kckk kckl kcko kckr kclc kclk kcll kclr kcog kcol kcor kcrc kcrg kcro kcrr kgcc kgcl kgcr kggg kggl kggo kggr kgkl kglk kglo kglr kgol kgor kgrc kgrg kgrk kgro kgrr kkck kkcl kkco kkcr kkgl kkgo kkgr kkkk kklc kkll kklo kkol kkoo kkor kkrc kkrk kkrl kkro kkrr klcc klck klcl klcr klgl klgo klgr klkc klkk klkl klko klkr kllc kllk kloc klog klok klol kloo klor klrc klrg klrk klrr kock kogg kogl kogo kokc kokk koko kokr kolc kolg kolk koll kolo kolr kooc koog kook kool kooo koor korc korg kork korl koro korr krcc krcg krcl krco krkc krkk krko krkr krlc kroc krog krok krol kroo kror krrc krrg krrk krrl krro krrr lccc lcor lcrg lcrl llcc llgc lllc llll lloc lloo locc lock loco log- logo lokk loko loll lolo looc look lool loor lork loro lroc lrrc lrrr occc oclc ocrl ocro ocrr ogog ogro okgo okko oklo okok okol okor okro olcc olgc olgr ollo olog olor oocr oolo oooo orco orgo orko orlo oro- orok oror orro rccc rcgc rcrg rlcg rocc rock roco rogg rogo rokk roko rokr rolk roll rolo roog rook rool roor rorc rork roro rrrr