a-ha a-ii aaaa aaab aaah aaai aaba aabb aabh aabi aaha aaib aaii aaoo abaa abab abai abb- abba abbb abbi abbo abha abhi abho abia abib aboa abob aboh aboo ahab ahah ahai ahha ahio ahoa aiai aiba aibo aiha aiho aiia aiib aioi aoah aoba ba-i baaa baah baba babb babi babo baha bahi baho baia baib baio baoh bbbb bhai bhao bhoi biao biba bibb bibi bibo biha bihi bio- bioi boab boai boba bobb bobi bobo boha boho boi- boii boob booh h-ii haab haba habi habo haha haho hbio hhaa hhhh hiaa hiab hiba hibi hihi hiho hiob hoai hoba hobo hoha hoho iaaa iaai iaba iaia ibia ihab ihba ihob iiii iiio iioi iioo ioba iobi ioii ioio iooi iooo obai obba obbo obia oboi ohai ohba ohhi ohho ohia ohio ohob ohoh oiba oiii ooaa ooba oobi ooha ooho ooia oooh oooo