a-ii a-ya aaaa aaab aaai aaba aabb aabi aaby aaib aaii abaa abab abai abau abay abb- abba abbb abbi abby abia abib abiu abiy abua abuy abyy aiai aiba aiia aiib aiui auaa auby ayay ayub ayya ba-i baaa baba babb babi babu baby baia baib bau- baya bayi bayu bbau bbay bbbb biba bibb bibi biya buba bubb bubi bubu buiu buyi buyu i-by iaaa iaai iaba iaia ibia ibuy ibyi iiii iuiu iyai uaua ubay ubba ubbi ubii uiya uuuu yaba yaya yayu yuba yubu yuya yuyu yyyy