a-ha aaaa aaab aaah aaas aaba aabb aabh aaha aahs aasa aass aasu aaus abaa abab abas abau abb- abba abbb abbs abha abhs abs- absa abss absu abua abus ahab ahah ahas ahau ahha ahhs ahsa ahss ahua ahus asaa asab asah asas asau asba asbu asha ashs ashu assa assh asss assu asub asus auaa ausa aush ausu baaa baah baas baba babb babs babu baha bahs bahu basa bash bass basu bau- bbas bbau bbbb bbbs bbhs bhhs bhuu bsaa bsas bshs buba bubb bubs bubu buha buhs busa bush buss busu buus haab haas haba habs habu haha hahs hasa hash hass hau- haus hbbs hbhs hbss hhaa hhhh hhhs hhus hsas hshs hsua huah huas huba hubb hubs huhs huhu husa hush huss huub huus saab saah saas saba sabb sabs sabu saha sahs sahu sasa sash sass saua sauh saus sbaa sbas sbbs sbhs sbsa sbus shab shah shas shau shbs shha shhh shhs shua shub shus shuu ssaa ssab ssas ssau sshs sssa sssb sssh ssss suas sub- suba subb subh subs suha suhb sus- susa suss susu suus uahs uasa uaua ubba uhss uhuh us-a usaa usas usba usbs usha ushs ushu ussa ussb usss ussu usua usus uuuu