a-ii aaaa aaab aaai aaba aabb aabi aabt aaib aaii aaoo aata aatt abaa abab abai abaj abat abb- abba abbb abbi abbo abbt abia abib abit aboa abob aboo abot abta aiai aiba aibo aiia aiib aija aioi aita aiti aitt ajab ajao ajat ajba ajio ajit ajob ajoo ajot aoba at-t ataa atab atai atat atia atit atob atoi atot atta atti atto ba-i baaa baat baba babb babi babo baia baib baio bait baja baji bata bati bato batt bbbb biaj biao biat biba bibb bibi bibo bija biji bio- bioi biot bita bito bitt bjoa boab boai boat boba bobb bobi bobo boi- boii boit boji bojo bojt boob boot bota botb boti boto bott btaa btob bttb iaaa iaai iaat iaba iaia iata iati ibat ibia ibot ibtb iiii iiio iiit iioi iioo iita iitt ijji ioba iobi ioii ioio ioit iooi iooo iota ioto itaa itai itat itia itoi itoo itta itto jaba jabi jabo jaja jaji jati jato jbaa jbob jiao jibb jibi jiji jiti jito joab joao joba jobo joia joio joit joji jojo joot jota joto jott obai obba obbo obia obit obja oboi obot oiaj oiba oiii oita oiti ojai ooaa ooba oobi ooia ooij ooji oooo ootb otit oto- otoo otta otti otto taa- taat taba tabb tabi tabo taia taio tait tajo taoa tata tatb tati tato tatt tbit tbta tiaa tiab tiao tiba tibi tiit tiji tijo tita titi tito titt toab toat toba tobi tobo tobt toit toja toji tojo tooa toot tota toti toto tott ttab ttbb tttt