a-ii aaaa aaab aaad aaai aaba aabb aabd aabi aabt aada aadi aadt aaib aaii aata aatt abaa abab abad abag abai abat abb- abba abbb abbi abbt abda abdi abgd abia abib abid abig abit abta adaa adab adad adag adai adat adba adbi adda addd addi adia adib adig adit adta agad agag agai agat agba agda agga aggi agia agib agid agig agii agit agta aiai aiba aida aidb aidi aidt aiga aiia aiib aiid aita aiti aitt at-t ataa atab atad atai atat atdi atdt atia atid atit atta atti ba-i baaa baad baat baba babb babi bada badb badd badi baga bagg bagi bagt baia baib baid baig bait bata bati batt bbad bbbb bbdd bbga bdii bgia biad biat biba bibb bibi bida bidi biga bigb bigd bigg bigt bita bitd bitt btaa btdt bttb daab daad daag daba dabb dabt dada dadi daga dagg dagi daia daid daig dait data dati datt dbag dbit dbtt dddd dgia dia- diab diad diag diat diba dibb dida didi diga digg digi diii dita diti ditt dtaa gaba gabb gabi gabt gada gadd gadi gaga gagg gagi gaia gaid gaig gait gata gati gatt gbag gddb ggbt gggg giaa giad giai giat giba gibb gida gidd gidi giga gigg gigi gita gtaa gtta iaaa iaai iaat iaba iadb iadt iaia iata iati ibad ibat ibga ibia ibid ibtb idad idat idda idia idid idig idta igad igba igga igia iida iiii iiit iita iitt itaa itai itat itia itta taa- taag taat taba tabb tabi tada tadg taga tagg tagi taia taig tait tata tatb tati tatt tbit tbta tddb tiaa tiab tiba tibi tidd tiga tigi tiit tita titi titt ttab ttbb tttt