a-ii aaaa aaab aaai aaba aabb aabi aabt aaib aaii aata aatt abaa abab abai abat abau abb- abba abbb abbi abbt abia abib abit abiu abta abtu abua abut aiai aiba aiia aiib aita aiti aitt aitu aiui at-t ataa atab atai atat atia atit atiu atta atti attu atua atub auaa aut- ba-i baaa baat baba babb babi babu baia baib bait bata bati batt batu bau- bbau bbbb biat biba bibb bibi bita bitt bitu btaa bttb buat buba bubb bubi bubu buit buiu but- buta buti butt iaaa iaai iaat iaba iaia iata iati ibat ibia ibtb iiii iiit iita iitt itaa itai itat itia itta iuiu taa- taat taba tabb tabi tabu taia tait tata tatb tati tatt tatu taua taub taut tbit tbta tiaa tiab tiba tibi tibu tiit tiiu tita titi titt titu ttab ttbb tttt tuat tuba tubb tubu tuit tuiu tuta tuti tutt tutu uata uatu uaua ubba ubbi ubii ubit utai utau utia utti uttu uuta uuuu