a-ya aaaa aaab aaas aaba aabb aabt aaby aasa aass aast aata aatt abaa abab abag abas abat abay abb- abba abbb abbs abbt abby abs- absa abss abta abts abys abyt abyy agag agas agat agay agba agga aggy agsa agsg agst agta agts agya asaa asab asag asas asat asay asba asby asgt assa asss asst assy asta astb asts asty asya at-t ataa atab atas atat atay atbs atsb atst atta atts atty atya atys ayas ayat ayay ayta ayya baaa baas baat baba babb babs baby baga bagg bags bagt bagy basa bass bast bata bats batt baty baya bayg bays bayt bbas bbay bbbb bbbs bbga bggs bgst bsaa bsas bsat bsgs bsts btaa btss bttb byas bygg bysb byss byst bysy byts gaas gaba gabb gabs gabt gaby gaga gagg gags gasa gasb gass gast gata gats gatt gaya gays gbag gbas gbbs ggbt gggg ggss gsab gsat gtaa gtta gyas gyss gyst gytt saab saag saas saat saba sabb sabs saga sagg sags sagt sagy sasa sass sast sata satb satg sats satt saya says sbaa sbas sbbs sbsa sbst sgaa sggg sggs sgss sgta sgts ssaa ssab ssas ssat ssby ssgs ssgt sssa sssb ssss ssta sstb ssts stab stag stas stat stay stbs stss stys syss syst sytt taa- taag taas taat taba tabb tabs taby taga tagg tags tasa tasb tass tast tasy tata tatb tats tatt taty taya tays tayt tayy tbas tbbs tbgs tbst tbta tgts tsaa tsat tsgt tssa tssg tsst tsts tsys ttab ttbb ttss tttt ttys tyas tyga tysa tyss tyst tyta tytt tyty yaas yaba yaga yasa yass yast yata yats yaya yays ybas ybbs ysay ysby ysyb ytay yyyy