a-ya aaaa aaac aaas aaca aacc aacs aact aacy aasa aasc aass aast aata aatc aatt ac-t acaa acac acas acat acca accc accs acct accy acsa acsc acss acst acta actc acts actt asaa asac asas asat asay asc- asca ascc asct assa assc asss asst assy asta astc asts asty asya at-t ataa atac atas atat atay atca atcc atcs atsc atst atta atts atty atya atys ayas ayat ayay ayca ayta ayya caaa caac caas caat cac- caca cacc casa casc cass cast cat- cata catc cats catt caty cays ccaa ccac ccas ccat ccca cccc cccs ccsa ccss ccst cctc cctt csaa csac csas csat cscc cscs cssa csta cstc csts csys ctca ctsa ctsc ctss ctta ctts cya- cyaa cyc- cyca cycc cycs cyst cyt- cyta cyy- cyyc sa-c saac saas saat saca sacc sacs sact sacy sasa sasc sass sast sata satc sats satt saya says scaa scac scas scat scay sccc sccs scct sccy scsa scsc scst sctc scts ssaa ssac ssas ssat ssca sscc sscs sssa sssc ssss ssta sstc ssts stac stas stat stay stca stcc stcs stss sttc stys syss syst sytt taa- taas taat taca tacc tacs tact tacy tasa tasc tass tast tasy tata tats tatt taty taya tays tayt tayy tcca tccc tctc tcts tsaa tsat tsca tscc tssa tsst tstc tsts tsys ttss tttt ttys tyas tysa tyss tyst tyta tytt tyty yaas yacc yacy yasa yass yast yata yats yaya yays ycat yccc yctc ysay ytay yyyy