a-be aaaa aaab aaae aaba aabb aabt aaea aaoe aaoo aata aatt abaa abab abae abat abau abb- abba abbb abbe abbo abbt abee abet abez aboa abob aboo abot abou abta abtu abua abue abut abza abzu aeta aeto aett aoba aoeu aout at-t ataa atab atae atat atea atee ateo atez atob atoe atot atoz atta atte atto attu atua atub auaa aube aut- aute auto aza- azab azat azaz azet azo- azoo azot azua azza azzo baaa baat baaz baba babb babe babo babu baez bata bate bato batt batu batz bau- baza baze bazo bbau bbbb bbeb bbet beat beau beba bebb bebe bebo beeb beet beo- beot beta bete beto bett betu betz beze bezu boab boat boaz boba bobb bobe bobo bobu boea boee boeo boet boob booe boot booz bota botb bote boto bott boua boue bout boza bozo btaa btob bttb buat buba bubb bube bubo bubu buea bueu but- buta bute buto butt butz buuz buza buze buzz bzoe bzou bzzt bzzz eaba eata eate ebba ebbo eboe eboo eeea eeee eeta eete eetu eeze eota eoto etat etee etoe etta ette etto ettu etua etuz euba ezuz ezzo o-eo oaau oate oaze obba obbo obea obet oboe obot oeta oetz ooaa ooba oobe oooo ootb ooze otea otee oto- otoe otoo otta otte otto ottu ouat ouea out- outa outb oute outo ouu- ouza ouze ouzo ozee ozet taa- taat taba tabb tabe tabo tabu taoa taou tata tatb tate tato tatt tatu tatz taua taub taue taut taza taze tazo tazz tbta teat teaz teba tebo tebu teet teez teoz teta tete teto tett tetu tetz teut teza tezu tezz toab toat toau toba tobe tobo tobt tobu toea toee toet tooa toot tota tote toto tott tout toza toze tozo ttab ttbb tteo ttoe tttt tuae tuao tuat tuba tubb tube tubo tubu tuet tuta tute tuto tutt tutu tuuo tuza tuzu tuzz tzut tzzt uata uatu uaua ubba ubbe ubbo ubet ueba uetz utau utto uttu uuta uuuu uzeb zaat zaba zabo zabu zaza zazu zeae zeba zebe zebu zeta zete zeto zeze zoat zobo zoea zoet zoo- zoot zota zote zott zotz zoza zozo zozu ztoa zubo zubu zuoz zuta zuzu zzzz