cccc cccu ccnc ccnu ccny ccuc ckck ckcy cknc cnnz cucc cuck cucn cuk- cuny cuy- cuzy cyc- cycc cyn- cyun cyy- cyyc cyyn czyz kccc kcck kccu kccy kckc kckk kckn kcky kckz kcny kcnz kcuk kcuz kcyk kcyn kcyy kcyz kczz kkck kkcn kkcy kkkk kknn kknu kkuu kkyc kkyy kkyz kkzn kkzu kkzy kkzz knck kncn kncu kncy knkk knnk knnz knuk knuz knyk knyn knz knzz kucc kukk kukn kuku kuky kunc kunk kunu kuny kuuk kuuu kuuz kuyn kuyu kuyy kuzn kuzu kuzz kycc kyck kycn kykc kykk kykn kyky kykz kynu kynz kyuk kyun kyuu kyyk kyyy kyyz kyzk kyzz kzky kzkz kznc kznk kznn kznu kzuu kzuz kzzk kzzn kzzy kzzz nccc nccn nccu ncnc ncuk nnnn nuck nucu nuku nunc nunk nunn nuny nuuk nycc nycy nyny nyuk nzcc ucky ukcc ukky uknc uncc unkn unky unuz unyk uuuu uuyn uzun uzyn yccc yuck yuku yuky yuny yuyu yuzu yyyy zuck zunk zunz zuuk zuun zuzu zzzz