a-ya aaaa aaab aaac aaal aaba aabb aabc aabl aaby aaca aacb aacc aacl aacy aala aalc aall abaa abab abac abal abay abb- abba abbb abby abca abcb abcc abcl abla ably abyc abyy abza acaa acab acac acba acbl acca accc accy acla aclc acyl alaa alac alal alay alaz alb- alba albc alby alca alcc all- alla alll ally alya alza ayal ayay ayaz ayca ayla ayya aza- azab azal azay azaz azca azza baaa baal baaz baba babb baby bac- baca bacc bacz bala balc ball baly baya bayl bayz baza bazy bbay bbbb bblb bcaa bcbc bcca bccc bccl blaa blab blac blay blaz bly- byla bzyb bzzz caaa caab caac caal caba caby cac- caca cacc cala calc call caza cazy cbac cbal cbbc cbca cbcc cbcl cblb cblc ccaa ccab ccac ccba ccbc ccca cccb cccc cccl ccla cclc clab clay cly- cya- cyaa cyba cybb cybc cyc- cyca cycb cycc cycl cyl- cylc cyll cyy- cyyc czyz laaa laac laal laba laby laca lacc lacl lacy lala lall laya laza lazy lbcc lcac lcbc lcca lccc llay llcc lllc llll lyc- lyla lyly yaba yacc yacy yala yall yaya yaza yazz ycab yccc ylay ylla yyyy zaal zaba zaby zaca zal zala zaya zaza zlay zyll zzzz