a-ha aaaa aaab aaah aaba aabb aabh aaha aahz aaoo abaa abab abb- abba abbb abbo abha abho aboa abob aboh aboo abza ahab ahah ahaz ahha ahoa aoah aoba aza- azab azaz azo- azoo azza azzo baaa baah baaz baba babb babo baha baho baoh baza bazo bbbb bhao boab boaz boba bobb bobo boha boho boob booh booz boza bozo bzzz haab haba habo haha haho haza hhaa hhhh hoba hobo hoha hoho hozo obba obbo ohba ohho ohob ohoh ooaa ooba ooha ooho oooh oooo zaba zabo zaha zaho zaza zhao zhoa zhob zobo zoo- zoza zozo zzhz zzzz