a-do a-ii aaaa aaab aaad aaai aaba aabb aabd aabi aabt aada aadi aadt aadu aaib aaii aaoo aata aatt abaa abab abad abai abat abau abb- abba abbb abbi abbo abbt abda abdi abdo abdu abia abib abid abit abiu aboa abob abod aboo abot abou abta abtu abua abud abut adaa adab adad adai adao adat adba adbi adda addd addi addo addu adia adib adio adit adob adod adoo adot adta adua adub aiai aiba aibo aida aidb aidi aidt aidu aiia aiib aiid aioi aita aiti aitt aitu aiud aiui aoba aotd aout at-t ataa atab atad atai atat atdi atdt atia atid atit atiu atob atod atoi atot atta atti atto attu atua atub auaa audi audo aut- auto ba-i baaa baad baat baba babb babi babo babu bada badb badd badi bado badu baia baib baid baio bait bata bati bato batt batu bau- baud bbad bbau bbbb bbdd bbdo bdii biad biao biat biba bibb bibi bibo bida bidi bido bidu bio- bioi biot biou bita bitd bito bitt bitu boab boad boai boat boba bobb bobi bobo bobu boda bodb bodi bodo bodu boi- boid boii boit boiu boob bood boot bota botb botd boti boto bott boua boud bout btaa btdt btob bttb buad buat buba bubb bubi bubo bubu buda budb budd budi budo budu buid buit buiu but- buta buti buto butt d-bo daab daad daau daba dabb dabo dabt dabu dada dadi dado dadu daia daid daio dait daou data dati dato datt datu daub daud daut dbit dbtt dddd ddot ddub dia- diab diad diao diat diba dibb dibo dida didi dido didu diii diot diou dita diti dito ditt doab doat doba dobb dobi dobu dod- doda dodd dodi dodo doid doit doob dood doot dota dotd doti doto dott doub doud dout dtaa dtot duaa duab duad duat dub- duba dubb dubu duda dudd dudo dudu duid duit duo- duta duut iaaa iaai iaat iaba iadb iadt iaia iata iati ibad ibat ibdo ibia ibid ibot ibtb idad idat idda iddo idia idid idio idta idub iduo iida iiii iiio iiit iioi iioo iita iitt ioba iobi iod- ioda iodd iodo ioii ioio ioit iooi iooo iota ioto itaa itai itat itdo itia itoi itoo itou itta itto iuiu oaau obad obai obba obbo obdt obia obid obit oboi obot obtd odai odbo odda oddd oddi odia odio odiu odoo odot odou odtu oiba oido oiii oita oiti ooaa ooba oobi ooda oodi ooia ooid oooo ootb otbd otit oto- otoo otta otti otto ottu ouad ouat ouii ouit out- outa outb outi outo ouu- taa- taat taba tabb tabi tabo tabu tada tado taia taio tait taoa taou tata tatb tati tato tatt tatu taua taub taut tbit tbta tddb tiaa tiab tiao tiba tibi tibu tidd tiit tiiu tiou tita titi tito titt titu toab toad toat toau toba tobi tobo tobt tobu toda todd todi todo todt todu toid toit tooa tood toot tota totd toti toto tott toui tout ttab ttbb tttt tuao tuat tuba tubb tubo tubu tudi tudu tuit tuiu tuta tuti tuto tutt tutu tuuo uata uatu uaua ubba ubbi ubbo ubid ubii ubit ubod ubud udaa udad udau uddi udid udoo udot utai utau utia utid utti utto uttu uuta uuuu