a-ii aaaa aaab aaai aaba aabb aabi aaib aaii abaa abab abai abau abb- abba abbb abbi abia abib abiu abua abza abzu aiai aiba aiia aiib aiui aiza aizi aizu auaa aza- azab azai azaz azia aziz azua azza azzi ba-i baaa baaz baba babb babi babu baia baib bau- baza bazi bbau bbbb biba bibb bibi bizu bizz buba bubb bubi bubu buiu buuz buza buzi buzz bzzz iaaa iaai iaba iaia iazu ibia iiii iuiu izba izia uaua ubba ubbi ubii uuuu uzai uzzi zaba zabi zabu zaia zaza zazi zazu ziaz ziba ziua ziza zizi zizz zubi zubu zuia zuzu zzzz