a-ak a-ya aaaa aaab aaac aaal aaba aabb aabc aabl aaby aaca aacb aacc aack aacl aacy aaka aala aalc aall abaa abab abac abak abal abay abb- abba abbb abby abca abcb abcc abcl abla ably abyc abyy acaa acab acac acba acbl acca accc accy acla aclc acyl akaa akal akay akca akka alaa alac alak alal alay alb- alba albc alby alca alcc alk- alka alkb alky all- alla alll ally alya ayal ayay ayca ayla ayya baaa baak baal baba babb baby bac- baca bacc back bak- baka bakl bala balc balk ball baly baya bayl bbay bbbb bblb bcaa bcbc bcca bccc bccl bkcy blaa blab blac blak blay blkb bly- blyk byck byla caaa caab caac caal caba caby cac- caca cacc cack caka caky cala calc calk call cbac cbal cbbc cbca cbcc cbcl cbka cbkl cblb cblc ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccla cclc ckac ckbc ckck ckcl ckcy ckyl clab clay cly- clyk cya- cyaa cyba cybb cybc cyc- cyca cycb cycc cycl cyl- cylc cyll cyy- cyyc kaaa kaab kaak kaal kaay kaba kabb kabc kaby kacb kacc kacl kacy kaka kakc kakk kala kalb kalc kalk kall kaly kaya kayl kbaa kbab kbac kbak kbal kbay kbba kbbb kbbc kbbk kbbl kbca kbcb kbck kbcl kbcy kbkb kbkk kbkl kbky kbla kblb kbll kbya kbyb kcaa kcab kcac kcal kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kccy kckc kckk kckl kcky kcla kclc kclk kcll kcly kcya kcyk kcyl kcyy kkaa kkac kkal kkay kkba kkbb kkbl kkcb kkck kkcl kkcy kkkk kklb kklc kkll kkya kkyc kkyy klaa klab klac klak klal klay klbb klbc klbl klca klcb klcc klck klcl klcy klka klkc klkk klkl klky klla kllb kllc kllk klly klyc klyk klyy kyaa kyak kyal kyay kyba kybb kybc kyby kyca kycc kyck kyka kykc kykk kyky kyla kyll kyya kyyk kyyy laaa laac laak laal laba laby laca lacc lack lacl lacy laka laky lala lall laya layk lbcc lcac lcbc lcca lccc lkab lkal llay llcc lllc llll lyc- lyka lyla lyly yaak yaba yacc yack yacy yaka yala yall yaya ycab yccc ylay ylla ylyk yyyy