a-ii aaaa aaab aaai aaal aaba aabb aabi aabl aabt aaib aaii aala aali aall aata aatt abaa abab abai abal abat abax abb- abba abbb abbi abbt abia abib abil abit abla abta aiai aiba aibl aiia aiib aila aili aita aiti aitt aixa aixi alaa alai alal alat alb- alba albi ali- alia alib alii alil alit alix all- alla alli alll alta alti altx alxa at-l at-t at-x ataa atab atai atal atat atax atia atil atit atla atli atta atti axal axat axi- axia axil ba-i ba-x baaa baal baat baba babb babi baia baib bail bait baix bala bali ball balt bata bati batt baxi baxt bbbb bblb bial biat biba bibb bibi bibl bila bili bill bilt bita bitt bitx bixa bixi blaa blab blat blbt blit blix btaa btla bttb iaaa iaai iaal iaat iaba iaia iala iall iata iati ibat ibia ibtb ibtl iiii iiit iila iita iitt ilal ilbx ilia ilit ill- illa illi illt ilxx itaa itai ital itat itia itil itll itta ixia ixil ixxi laaa laal laat laax laba labi laia lail lait laix lala lali lall lata lati latt laxa lbia liat liba libx liia liii lila lilb lili lill lilt lita litb liti litl litt lixa lixi lixt llat llll ltbl ltib lxii lxxi lxxx taa- taal taat taba tabb tabi tabl taia tail tait taix tala tali tall talx tata tatb tati tatt tax- taxa taxi taxt tbil tbit tbta tiaa tiab tial tiax tiba tibi tiit tila till tilt tita titi titt tixt tlli tltx ttab ttbb tttt txaa txii xait xala xall xbai xiii xil- xili xill xita xixi xlib xlii xlix xtal xxii xxix xxxi xxxx