cccc cccl cccu cclc ccoc ccuc ckck ckcl ckco ckcy ckoc ckoo ckoy ckyl clok cloo clou cloy cly- clyk cock coco cocu cok- coko coky col- colk coll colo colu coly cook cool couk coul couy coyl coyo cucc cuck cuk- culc culk cull culo cuy- cuyl cuyo cyc- cycc cycl cyl- cylc cyll cyul cyy- cyyc k-lo kccc kcck kccl kccu kccy kckc kckk kckl kcko kcky kclc kclk kcll kclu kcly kcol kcou kcuk kcul kcyk kcyl kcyy kkck kkcl kkco kkcy kkkk kklc kkll kklo kkol kkoo kkoy kkuu kkyc kkyy klcc klck klcl klcy klkc klkk klkl klko klky kllc kllk klly kloc klok klol kloo klou kluk kluu klyc klyk klyy kock kokc kokk koko koku koky kolc kolk koll kolo kolu koly kooc kook kool kooo koou koul kouu koyo koyy kucc kuco kukk kukl kuku kuky kull kulo kulu kuly kuok kuol kuoo kuuk kuul kuuu kuyo kuyu kuyy kycc kyck kykc kykk kyky kyll kylo kyok kyol kyoo kyoy kyuk kyul kyuu kyyk kyyo kyyy lccc llcc lllc llll lloc lloo locc lock loco locu lokk loko loll lolo loly looc look lool louk loul louu luck lucy luko luky lull lulu luuk lyc- lyco lyly lyo- occc oclc ocul okcu okko oklo okok okol okul okyo olcc ollo olly ooku ooky oolo oooo oucc oulk oulu ouu- oyly oyou ucky ukcc ukko ukky ukok ukyo ulcc ulco ullo ully ulo- uloc uluk ulul uocc uolc uulu uuoc uuuu yccc ykko ylyk yock yoko yoky yolk yoll yolo yoly yook yool youk youl yoyo yuck yuko yuku yuky yulo yulu yuyu yyyy