a-ii a-ya aaaa aaab aaai aaba aabb aabi aabt aaby aaib aaii aata aatt abaa abab abag abai abat abax abay abb- abba abbb abbi abbt abby abia abib abig abit abiy abta abyt abyy agag agai agat agay agba agga aggi aggy agia agib agig agii agit agta agxt agya aiai aiba aiga aiia aiib aita aiti aitt aixa aixi at-t at-x ataa atab atai atat atax atay atia atit atta atti atty atya axat axi- axia ayat ayay ayta ayya ba-i ba-x baaa baat baba babb babi baby baga bagg bagi bagt bagy baia baib baig bait baix bata bati batt baty baxi baxt baya bayg bayi bayt bbay bbbb bbga bgia biat biba bibb bibi biga bigb bigg bigt bita bitt bitx bixa bixi biya btaa bttb bygg byit gaba gabb gabi gabt gaby gaga gagg gagi gaia gaig gait gata gati gatt gatx gaya gbag ggbt gggg giaa giai giat giba gibb giby giga gigg gigi gita gixy gtaa gtta gytt i-by iaaa iaai iaat iaba iaia iata iati ibat ibga ibia ibtb ibyi igba igga iggy igia iiii iiit iita iitt itaa itai itat itay itby itia itta itty ixia ixxi iyai taa- taag taat taba tabb tabi taby taga tagg tagi taia taig tait taix tata tatb tati tatt taty tax- taxa taxi taxt taxy taya tayt tayy tbit tbta tiaa tiab tiax tiba tibi tiga tigi tigy tiit tita titi titt tixt tiya tiyi ttab ttbb tttt txaa txga txii tybi tyga tyta tyti tytt tyty tyxt xaga xait xbai xggi xiii xita xixi xxii xxix xxxi xxxx xxxy yaba yaga yagi yait yata yati yaxa yaxi yaya yiti ytay yyyy