a-ii aaaa aaab aaad aaai aaba aabb aabd aabi aada aadi aaib aaii abaa abab abad abag abai abb- abba abbb abbi abda abdi abgd abia abib abid abig adaa adab adad adag adai adba adbi adda addd addi adia adib adig agad agag agai agba agda agga aggi agia agib agid agig agii aiai aiba aida aidb aidi aiga aiia aiib aiid ba-i baaa baad baba babb babi bada badb badd badi baga bagg bagi baia baib baid baig bbad bbbb bbdd bbga bdii bgia biad biba bibb bibi bida bidi biga bigb bigd bigg daab daad daag daba dabb dada dadi daga dagg dagi daia daid daig dbag dddd dgia dia- diab diad diag diba dibb dida didi diga digg digi diii gaba gabb gabi gada gadd gadi gaga gagg gagi gaia gaid gaig gbag gddb gggg giaa giad giai giba gibb gida gidd gidi giga gigg gigi iaaa iaai iaba iadb iaia ibad ibga ibia ibid idad idda idia idid idig igad igba igga igia iida iiii