-ana a-ya aaaa aaab aaac aaan aaas aaba aabb aabc aaby aaca aacb aacc aacn aacs aacy aana aasa aasc aass abaa abab abac aban abas abay abb- abba abbb abbs abby abca abcb abcc abcn abcs abs- absa abss abyc abys abyy acaa acab acac acan acas acba acca accc accs accy acsa acsc acss ana- anaa anab anac anan anas anba anbb anca ancc ancy anna annb anns anny ansa anya asaa asab asac asan asas asay asba asby asc- asca ascb ascc asnc assa assc assn asss assy asya ayan ayas ayay ayca ayna ayns ayya baaa baan baas baba babb babs baby bac- baca bacc bacn bacs bana banc bann bans basa basc bass baya bays bbas bbay bbbb bbbs bcaa bcas bcbc bcbs bcca bccc bccs bcsa bcsc bcsn bcss bnas bnss bnya bsaa bsac bsas bscs bsns bssc byan byas bync bysb byss bysy caaa caab caac caan caas caba cabs caby cac- caca cacc cana canc cann cans cany casa casb casc cass cays cbac cbbc cbbs cbca cbcc cbcn cbcs cbna cbsa cbsc cbsn ccaa ccab ccac ccas ccba ccbc ccbn ccca cccb cccc cccs ccna ccnb ccnc ccns ccny ccsa ccsn ccss cnaa cnac cnas cnbc cnna cnsa cnss csaa csab csac csas cscb cscc cscs csny cssa csys cya- cyaa cyan cyba cybb cybc cyc- cyca cycb cycc cycs cyn- cyy- cyyc cyyn naaa naab naac naan naas naba nabc nabs naca nacc nacs nan- nana nanb nann nans nany nas- nasa nasb nasc nass nasy naya nays nbaa nbas nbbc nbca nbcc nbcs ncaa ncac ncba ncbc ncbs ncca nccc nccn nccs ncna ncnc ncsa ncsc ncss ncsy nnnn nnsa nnss nsaa nsac nsca nscc nscs nsna nssa nssb nssc nsss nyaa nyac nyas nycc nycy nyny nysa nysc nyss sa-c saab saac saan saas saba sabb sabc sabs saca sacc sacn sacs sacy sana sann sans sany sasa sasc sass saya sayn says sbaa sbac sbas sbbs sbca sbcc sbcs sbsa scaa scab scac scan scas scay scba sccc sccs sccy scna scsa scsc scsn scyn snab snas snba snca sncc snns snsy snys ssaa ssab ssac ssan ssas ssbn ssby ssca sscc sscs ssns sssa sssb sssc ssss syn- sync syns syny syss yaan yaas yaba yacc yacy yana yann yans yasa yass yaya yays ybas ybbs ycab yccc ycsb ynca ysay ysby ysyb yyyy