a-ii aaaa aaab aaai aaba aabb aabi aabt aaib aaii aata aatt abaa abab abai abat abb- abba abbb abbi abbt abia abib abit abta abza aiai aiba aiia aiib aita aiti aitt aiza aizi at-t ataa atab atai atat atia atit atta atti aza- azab azai azat azaz azia aziz azza azzi ba-i baaa baat baaz baba babb babi baia baib bait bata bati batt batz baza bazi bbbb biat biba bibb bibi bita bitt bitz bizz btaa bttb bzzt bzzz iaaa iaai iaat iaba iaia iata iati ibat ibia ibtb iiii iiit iita iitt itaa itai itat itia itta itza izba izia taa- taat taba tabb tabi taia tait taiz tata tatb tati tatt tatz taza tazi tazz tbit tbta tiaa tiab tiba tibi tiit tita titi titt titz tiza tizi tizz ttab ttbb tttt tzzt zaat zaba zabi zaia zati zaza zazi ziaz ziba zita ziti ziza zizi zizz zzzz