cccc cccl cccu cclc cclx ccuc ccxl ckck ckcl ckcx ckcy ckyl clux clxx cly- clyk cucc cuck cuk- culc culk cull cuy- cuyl cxxx cyc- cycc cycl cyl- cylc cyll cyul cyy- cyyc kc-x kccc kcck kccl kccu kccy kckc kckk kckl kckx kcky kclc kclk kcll kclu kclx kcly kcuk kcul kcxl kcxy kcyk kcyl kcyy kkck kkcl kkcy kkkk kklc kkll kklx kkuu kkxk kkxl kkxx kkyc kkyx kkyy klcc klck klcl klcx klcy klkc klkk klkl klkx klky kllc kllk klly kluk kluu klux klxk klxx klyc klyk klyy kucc kukk kukl kuku kuky kull kulu kuly kuuk kuul kuuu kuxx kuyu kuyy kxcl kxkc kxkk kxku kxkx kxlc kxll kxlu kxlx kxly kxul kxxk kxxl kxxx kxyl kycc kyck kykc kykk kykx kyky kyll kyuk kyul kyuu kyxk kyxx kyxy kyyk kyyx kyyy lccc llcc lllc llll luck lucy luky lull lulu luuk lxxx lyc- lyly lyx- ucky ukcc ukky ulcc ully uluk ulul uulu uuuu uxul xuxu xxxx xxxy xyl- yccc ylyk yuck yuku yuky yulu yuxu yuyu yyyy