a-be a-ii a-iv a-ya aaaa aaab aaae aaai aaav aaba aabb aabi aaby aaea aaev aaib aaii aava abaa abab abae abai abay abb- abba abbb abbe abbi abby abee abey abia abib abie abiy abva abye abyy aebi aeby aeva aiai aiba aiea aiee aiia aiib aiva aiye avab avay avea avey avia avie aviv avva avvy avye ayay ayie ayya ba-i baaa baba babb babe babi baby baia baib baie bava bave bavi baya baye bayi bbay bbbb bbeb beav beay beba bebb bebe bebi beby beeb beey beia bevy beya beye beyi biba bibb bibe bibi bieb bive bivi bivy biya eaba eave ebay ebba ebby ebya eeby eeea eeee eeva eiei evae evea evey evia evie eyeb eyey i-be i-by iaaa iaai iaba iaea iaia iava ibea ibia ibie ibyi ieie ieva ieya iiie iiii ivai ivbv ivea ivey ivie iyai vaia vaie vava vaya vaye vbyv veba veia veie veii veve vevi vevy veye viae vibe viby viey viii viva vive vivi vivy viya viye vvvv yaba yava yave yavi yaya yeie yeii yeve yeye yeyi yive yvie yyyy