a-ii aaaa aaab aaad aaaf aaai aaba aabb aabd aabi aada aadi aafa aafb aafd aaff aafi aaib aaii abaa abab abad abaf abai abaj abb- abba abbb abbi abda abdi abff abia abib abid adaa adab adad adai adba adbi adda addd addi adfa adia adib adif adja adji afaa afad afdb affa affi afia afib afid afif aiai aiba aida aidb aidi aifd aiff aiia aiib aiid aija ajab ajba ba-i baaa baad baaf baba babb babi bada badb badd badi baff baia baib baid baja baji bbad bbbb bbdd bd-j bdii biad biaf biaj biba bibb bibi bida bidi bifa biff bifi bija biji daab daad daba dabb dada dadi dafa daff dafi daia daid daja daji dddd dfaf dffa dia- diab diad diaf diba dibb dida didi didj dif- difa diff diii dija djia faaa faad faba fabd fabi fada fadd fadi fafa faff fafi faid faja ffff ffii fiaa fiad fiaf fiba fida fidf fifa fiff fifi fiii fiji iaaa iaai iaba iadb iaff iaia ibad ibfi ibia ibid idad idda idfa idia idid idja ifaa ifbb ifda ifid iida iifa iiii ijdb ijji jaaf jaba jabi jada jafa jaff jafi jaid jaja jaji jbaa jibb jibi jida jidi jiff jiji jjad