a-be aaaa aaab aaae aaba aabb aabt aaea aage aata aatt abaa abab abae abag abat abau abb- abba abbb abbe abbt abee abet abta abtu abua abue abug abut aega aeta aett agag agat agau agba agea agee aget agga agge aggu agta agte agua ague agut at-t ataa atab atae atat atea atee atta atte attu atua atub atug auaa aube auga auge aut- aute auug baaa baat baba babb babe babu baga bage bagg bagt bata bate batt batu bau- baug bbau bbbb bbeb bbet bbga beag beat beau beba bebb bebe beeb beeg beet bega begg begu beta bete bett betu btaa bttb buat buba bubb bube bubu buea bueu buga buge bugg but- buta bute butt eaba eaga eage eata eate ebba eeea eeee eega eeta eete eetu egaa egae egat egba egbe egbu egea egee eggb egge egta egte etag etat etee etta ette ettu etua euba euge gaba gabb gabe gabt gabu gaea gaga gage gagg gagu gata gate gatt gaua gaub gaue gaut gbag geab geat geba gebe geet gege gegg geta getb gete getg gett geue ggbt gggg gtaa gtea gtta guaa guag guat guba gubb gubu guga gugb guge gugg gugu guta gute gutt gutu taa- taag taat taba tabb tabe tabu taga tage tagg tagu tata tatb tate tatt tatu taua taub taue taut tbta teat teba tebu teet tega tegg tegt tegu teta tete tett tetu teut ttab ttbb tttt tuae tuat tuba tubb tube tubu tuet tuga tugg tugu tuta tute tutt tutu uata uatu uaua ubba ubbe ubet ueba ugab uggt ugta uguu utau uttu utug uuta uuuu