a-ii a-ya aaaa aaab aaai aaba aabb aabi aaby aaib aaii abaa abab abag abai abay abb- abba abbb abbi abby abia abib abig abiy abyy agag agai agay agba agga aggi aggy agia agib agig agii agya aiai aiba aiga aiia aiib ayay ayya ba-i baaa baba babb babi baby baga bagg bagi bagy baia baib baig baya bayg bayi bbay bbbb bbga bgia biba bibb bibi biga bigb bigg biya bygg gaba gabb gabi gaby gaga gagg gagi gaia gaig gaya gbag gggg giaa giai giba gibb giby giga gigg gigi i-by iaaa iaai iaba iaia ibga ibia ibyi igba igga iggy igia iiii iyai yaba yaga yagi yaya yyyy