a-ii aaaa aaab aaad aaai aaba aabb aabd aabi aada aadi aadu aaib aaii abaa abab abad abai abau abb- abba abbb abbi abda abdi abdu abia abib abid abiu abua abud adaa adab adad adai adba adbi adda addd addi addu adia adib adua adub aiai aiba aida aidb aidi aidu aiia aiib aiid aiud aiui auaa audi ba-i baaa baad baba babb babi babu bada badb badd badi badu baia baib baid bau- baud bbad bbau bbbb bbdd bdii biad biba bibb bibi bida bidi bidu buad buba bubb bubi bubu buda budb budd budi budu buid buiu daab daad daau daba dabb dabu dada dadi dadu daia daid daub daud dddd ddub dia- diab diad diba dibb dida didi didu diii duaa duab duad dub- duba dubb dubu duda dudd dudu duid iaaa iaai iaba iadb iaia ibad ibia ibid idad idda idia idid idub iida iiii iuiu uaua ubba ubbi ubid ubii ubud udaa udad udau uddi udid uuuu