bbbb bblb bcbc bccc bccl bcuc bkcy blcu blkb blub bly- blyk bubb bubu bucc buck bucu bukk buku buky bulb bulk bull bulu buyl buyu byck byul cbbc cbcc cbcl cbcu cbkl cblb cblc ccbc cccb cccc cccl cccu cclc ccuc ckbc ckck ckcl ckcy ckyl club cly- clyk cub- cubb cuby cucc cuck cuk- culb culc culk cull cuy- cuyl cybb cybc cyc- cycb cycc cycl cyl- cylc cyll cyul cyy- cyyc kbbb kbbc kbbk kbbl kbbu kbcb kbck kbcl kbcu kbcy kbkb kbkk kbkl kbky kblb kbll kblu kbub kbuc kbuk kbul kbuu kbuy kbyb kbyu kcbc kcbk kcbl kcbu kccb kccc kcck kccl kccu kccy kckc kckk kckl kcky kclc kclk kcll kclu kcly kcub kcuk kcul kcyk kcyl kcyy kkbb kkbl kkcb kkck kkcl kkcy kkkk kklb kklc kkll kkuu kkyc kkyy klbb klbc klbl klbu klcb klcc klck klcl klcy klkc klkk klkl klky kllb kllc kllk klly klub kluk kluu klyc klyk klyy kubb kubc kubu kuby kucb kucc kukk kukl kuku kuky kulb kull kulu kuly kuub kuuk kuul kuuu kuyu kuyy kybb kybc kyby kycc kyck kykc kykk kyky kyll kyuk kyul kyuu kyyk kyyy lbcc lcbc lccc llcc lllc llll luby luck lucy luky lull lulu luuk lyc- lyly ubly ucbc ucky ukcc ukky ulbc ulcc ully uluk ulul uulu uuuu yccc ylyk yubu yuck yuku yuky yulu yuyu yyyy