cccc cccl cccu ccgc cclc cclg ccoc ccuc cgcc cgcg ckck ckcl ckco ckgl ckgo cklg ckoc ckoo clkg clog clok cloo clou cock coco cocu cogo cok- coko col- colk coll colo colu cook cool couk coul cucc cuck cuk- culc culk cull culo gc-c gccc gclc ggcl gggg glcc glog glou glug gogo goku golk goll golo golu goog gook gool gou- goug gouk goul guck gugg gugu gull gulo gulu k-lo kccc kcck kccl kccu kcgc kcgl kckc kckk kckl kcko kclc kclk kcll kclu kcog kcol kcou kcuk kcul kgcc kgcl kggg kggl kggo kgkl kglk kglo kgol kgou kkck kkcl kkco kkgl kkgo kkkk kklc kkll kklo kkol kkoo kkuu klcc klck klcl klgl klgo klgu klkc klkk klkl klko kllc kllk kloc klog klok klol kloo klou klug kluk kluu kock kogg kogl kogo kogu kokc kokk koko koku kolc kolg kolk koll kolo kolu kooc koog kook kool kooo koou koul kouu kucc kuco kugo kukk kukl kuku kull kulo kulu kuok kuol kuoo kuuk kuul kuuu lccc llcc llgc lllc llll lloc lloo locc lock loco locu log- logo lokk loko loll lolo looc look lool louk loul louu luck lugg lugo lugu luko lull lulu luuk occc oclc ocul ogog ogou okcu okgo okko oklo okok okol okul olcc olgc ollo olog ooku oolo oooo oucc oulk oulu ouu- ugcc ugcg uggo ugol uguu ukcc ukko ukok ulcc ulco ullo ulo- uloc ulog uluk ulul uocc uolc uulu uuoc uuuu