a-ya a-yo aaaa aaab aaba aabb aabt aaby aaoo aata aatt abaa abab abat abau abay abb- abba abbb abbo abbt abby aboa abob aboo abot abou aboy abta abtu abua abut abuy abyt abyy aoba aout at-t ataa atab atat atay atob atot atoy atta atto attu atty atua atub atya auaa auby auoy aut- auto auty auyo ay-o ayao ayat ayay ayoo ayot ayou ayta ayto ayub ayya baaa baat baba babb babo babu baby bata bato batt batu baty bau- baya bayo bayt bayu bbau bbay bbbb bboy bbyo boab boat boba bobb bobo bobu boby boob boot bota botb boto bott boty boua bout bouy boya boyo btaa btob bttb buat buba bubb bubo bubu buoy but- buta buto butt buty buyo buyu byoa byob oaau oaty obay obba obbo obby obot oboy ooaa ooba ooby oooo ootb ooty otay oto- otoo otoy otta otto ottu ouat out- outa outb outo outy ouu- ouya oyou taa- taat taba tabb tabo tabu taby taoa taou tata tatb tato tatt tatu taty taua taub taut taya tayo tayt tayu tayy tbta to-y toab toat toau toay toba tobo tobt tobu toby tooa toot tota toto tott toty tout toya toyb toyo toyt ttab ttbb ttoy tttt tuao tuat tuay tuba tubb tubo tubu tuta tuto tutt tutu tuty tuuo tuya tybo tyta tyto tytt tyty uata uatu uaua ubay ubba ubbo utau utby utoy utto uttu uuta uuuu yaba yabo yaou yata yaya yayo yayu yoba yobo yoot yota yott youa youb yout yoyo ytay yuba yubu yuta yuto yutu yuty yuya yuyu yyyy