a-ya aaaa aaab aaac aaal aaas aaba aabb aabc aabl aaby aaca aacb aacc aacl aacs aacy aala aalc aall aals aasa aasc aass abaa abab abac abal abas abay abb- abba abbb abbs abby abca abcb abcc abcl abcs abla abls ably abs- absa absl abss abyc abys abyy acaa acab acac acas acba acbl acca accc accs accy acla aclc acls acsa acsc acsl acss acyl alaa alac alal alas alay alb- alba albc albs alby alca alcc alcs all- alla alll alls ally alsa alsc alya alys asaa asab asac asal asas asay asba asby asc- asca ascb ascc ascl asla asly assa assc assl asss assy asya asyl ayal ayas ayay ayca ayla ayya baaa baal baas baba babb babs baby bac- baca bacc bacs bala balc ball bals baly basa basc bass baya bayl bays bbas bbay bbbb bbbs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bcsa bcsc bcsl bcss blaa blab blac blas blay blls blss bly- blys bsaa bsac bsas bscs bslc bssc byas byla bysb bysl byss bysy caaa caab caac caal caas caba cabs caby cac- caca cacc cala calc call cals casa casb casc casl cass cays cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cblb cblc cbsa cbsc ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccl cccs ccla cclc ccls ccsa ccsl ccss clab clas clay clsa clsc cly- csaa csab csac csas cscb cscc cscl cscs csla cssa csys cya- cyaa cyba cybb cybc cyc- cyca cycb cycc cycl cycs cyl- cylc cyll cyls cyy- cyyc laaa laac laal laas laba labs laby laca lacc lacl lacs lacy lala lall lasa lass laya lays lbcc lbsc lcac lcbc lcca lccc lccs lcls lcsc llay llbs llcc llcs lllc llll lscb lscs lsla lssa lyas lyc- lyla lyly lys- lysl lyss sa-c saab saac saal saas saba sabb sabc sabs saca sacc sacs sacy sala salc sall sals saly sasa sasc sasl sass saya says sbaa sbac sbas sbbs sbca sbcc sbcs sbsa scaa scab scac scal scas scay scba sccc sccl sccs sccy scl- sclc scls scsa scsc scsl slaa slab slac slas slay slcc slsa slsc slys ssaa ssab ssac ssas ssby ssca sscc sscs ssla sslc sssa sssb sssc ssss syl- syll syls syss yaas yaba yacc yacy yala yall yasa yass yaya yays ybas ybbs ycab yccc ycsb ylay ylla ylls ysay ysby ysyb yyyy