a-be a-ii aaaa aaab aaae aaai aaba aabb aabi aaea aage aaib aaii abaa abab abae abag abai abaj abb- abba abbb abbe abbi abee abia abib abie abig aebi aega agag agai agba agea agee agei agga agge aggi agia agib agie agig agii aiai aiba aiea aiee aiga aiia aiib aija ajab ajag ajba ajee ajga ajig ba-i baaa baba babb babe babi baga bage bagg bagi baia baib baie baig baja baji bbbb bbeb bbga beag beba bebb bebe bebi beeb beeg beej bega begg begi beia beij beja bgia biaj biba bibb bibe bibi bieb biga bigb bige bigg bija biji eaba eaga eage ebba eeea eeee eega egaa egae egba egbe egea egee eggb egge eggi eiei eige eigg eija eiji ejji gaba gabb gabe gabi gaea gaga gage gagg gagi gaia gaie gaig gaja gbag geab geai geba gebe gebi gege gegg geia geie geig gggg giaa giai giba gibb gibe giga gige gigg gigi gjig i-be iaaa iaai iaba iaea iaia ibea ibeg ibga ibge ibia ibie ieie igba igea igga igia iiie iiii ijji jaba jabi jaga jagg jaja jaji jbaa jbig jebb jebe jega jeig jibb jibe jibi jiga jigg jije jiji