a-ii a-iv aaaa aaab aaai aaav aaba aabb aabi aaib aaii aaoo aava abaa abab abai abau abb- abba abbb abbi abbo abia abib abiu aboa abob aboo abou abov abua abva aiai aiba aibo aiia aiib aioi aiui aiva aoba auaa avab avao avia avio aviv avou avui avva avvo ba-i baaa baba babb babi babo babu baia baib baio bau- bava bavi bavu bbau bbbb biao biba bibb bibi bibo bio- bioi biou bivi boab boai boba bobb bobi bobo bobu boi- boii boiu boob boua bova bovi bovo buba bubb bubi bubo bubu buiu iaaa iaai iaba iaia iava ibia iiii iiio iioi iioo ioba iobi ioii ioio iooi iooo iuiu ivai ivao ivbv oaau obai obba obbo obia oboi obvi oiav oiba oiii ooaa ooba oobi ooia oooo ouii ouu- ovi- ovo- ovoo uaua ubba ubbi ubbo ubii uovo uuuu uv-a uv-b uvaa uvvu vaia vaio vava viau viii viva vivi vivo voia voio vvob vvvv