a-be a-ya aaaa aaab aaae aaba aabb aabt aaby aaea aata aatt abaa abab abae abat abau abay abb- abba abbb abbe abbt abby abee abet abey abta abtu abua abue abut abuy abye abyt abyy aeby aeta aett at-t ataa atab atae atat atay atea atee atta atte attu atty atua atub atya auaa aube auby aut- aute auty ayat ayay ayta ayub ayya baaa baat baba babb babe babu baby bata bate batt batu baty bau- baya baye bayt bayu bbau bbay bbbb bbeb bbet beat beau beay beba bebb bebe beby beeb beet beey beta bete bett betu beya beye beyt btaa bttb buat buba bubb bube bubu buea bueu but- buta bute butt buty buyu byte eaba eata eate ebay ebba ebby ebya eeby eeea eeee eeta eete eetu etat etee etta ette ettu etty etua euba eyeb eyet eyey eyte taa- taat taba tabb tabe tabu taby tata tatb tate tatt tatu taty taua taub taue taut taya taye tayt tayu tayy tbta teat teba tebu teet teta tete tett tetu teut teya teye ttab ttbb tttt tuae tuat tuay tuba tubb tube tubu tuet tuey tuta tute tutt tutu tuty tuya tuye tyee tyet tyta tyte tytt tyty uata uatu uaua ubay ubba ubbe ubet ueba utau utby uttu uuta uuuu uyea yaba yata yate yaue yaya yayu ybet ye-u yeat yeet yeta yete yett yeue yeye ytay yuba yubu yuea yuta yute yutu yuty yuya yuye yuyu yyyy