a-be a-ii a-ya aaaa aaab aaae aaai aaba aabb aabi aaby aaea aaib aaii abaa abab abae abai abau abay abb- abba abbb abbe abbi abby abee abey abia abib abie abiu abiy abua abue abuy abye abyy aebi aeby aiai aiba aiea aiee aiia aiib aiui aiye auaa aube auby ayay ayie ayub ayya ba-i baaa baba babb babe babi babu baby baia baib baie bau- baya baye bayi bayu bbau bbay bbbb bbeb beau beay beba bebb bebe bebi beby beeb beey beia beya beye beyi biba bibb bibe bibi bieb bieu biya buba bubb bube bubi bubu buea bueu buie buiu buyi buyu eaba eaiu ebay ebba ebby ebya eeby eeea eeee eiei euba eubi eyeb eyey i-be i-by iaaa iaai iaba iaea iaia ibea ibia ibie ibuy ibyi ieie ieya iiie iiii iuiu iyai u-ie uaua ubay ubba ubbe ubbi ubii ueba uiya uuuu uyea yaba yaue yaya yayu ye-u yeie yeii yeue yeye yeyi yuba yubu yuea yuie yuya yuye yuyu yyyy