cccc cccl cccu cclc ccoc cctc cctl cctt ccuc ccut ckck ckcl ckco ckoc ckoo ckot clok cloo clot clou cltc clut cock coco coct cocu cok- coko col- colk coll colo colt colu cook cool coot cotc coto cott cotu couk coul cout ctol ctot cucc cuck cuk- culc culk cull culo cult cut- cutc cuto cutt k-lo kccc kcck kccl kcct kccu kckc kckk kckl kcko kclc kclk kcll kclt kclu kcol kcot kcou kctc kcto kctu kcuk kcul kkck kkcl kkco kkct kkkk kklc kkll kklo kkol kkoo kkot kktc kktk kktl kktu kkut kkuu klcc klck klcl klkc klkk klkl klko kllc kllk kloc klok klol kloo klou kltc kltk klto kltt kluk kluu kock koct kokc kokk koko koku kolc kolk koll kolo kolt kolu kooc kook kool kooo koot koou kotc kotk koto kott kotu koul kout kouu ktcc ktck ktcl ktco ktkc ktkk ktko ktkt ktku ktlk ktlo ktlt ktlu ktoc ktok ktoo ktot kttc kttk ktto kttt kttu ktuc ktul kucc kuco kukk kukl kuku kull kulo kult kulu kuok kuol kuoo kuto kutt kutu kuuk kuul kuuu lccc lctl lcto llcc lllc llll lloc lloo locc lock loco locu lokk loko loll lolo looc look lool loot lotl loto lott louk loul lout louu ltcc lttc ltuc luck luko lull lulu luuk occc occt oclc oct- octo ocul okcu okko oklo okok okol okot okto okul olcc ollo olot oltu ooku oolo oooo otcl oto- otok otoo otto ottu oucc oulk oulu out- outo ouu- tccc tccu tctc tcul tkol tlco tock toco toko toku tol- tolk toll tolo tolt tolu took tool toot totc toto tott touk toul tout tttt ttul tucc tuck tuco tuko tulk tull tulo tulu tutl tuto tutt tutu tuuo ucut ukcc ukko ukok ulcc ulco ullo ulo- uloc ulto ultt uluk ulul uocc uolc utto uttu uulu uuoc uuuu