cccc cccl cclc ccoc ckck ckcl ckco ckcy ckoc ckoo ckoy ckyl clok cloo cloy cly- clyk cock coco cok- coko coky col- colk coll colo coly cook cool coyl coyo cyc- cycc cycl cyl- cylc cyll cyy- cyyc k-lo kccc kcck kccl kccy kckc kckk kckl kcko kcky kclc kclk kcll kcly kcol kcyk kcyl kcyy kkck kkcl kkco kkcy kkkk kklc kkll kklo kkol kkoo kkoy kkyc kkyy klcc klck klcl klcy klkc klkk klkl klko klky kllc kllk klly kloc klok klol kloo klyc klyk klyy kock kokc kokk koko koky kolc kolk koll kolo koly kooc kook kool kooo koyo koyy kycc kyck kykc kykk kyky kyll kylo kyok kyol kyoo kyoy kyyk kyyo kyyy lccc llcc lllc llll lloc lloo locc lock loco lokk loko loll lolo loly looc look lool lyc- lyco lyly lyo- occc oclc okko oklo okok okol okyo olcc ollo olly ooky oolo oooo oyly yccc ykko ylyk yock yoko yoky yolk yoll yolo yoly yook yool yoyo yyyy