a-be a-ha aaaa aaab aaad aaae aaah aaba aabb aabd aabh aada aade aadu aaea aaha abaa abab abad abae abau abb- abba abbb abbe abda abdu abed abee abha abua abud abue adaa adab adad adae adah adba adda addd adde addu adea adeb adee adeh adha adhd adhu adua adub adue aede ahab ahad ahah ahau ahed ahha ahua auaa aube aude audh baaa baad baah baba babb babe babu bada badb badd bade badh badu baed baha bahu bau- baud bbad bbau bbbb bbdd bbeb bddh bead beah beau beba bebb bebe beda bede bedu beeb beed bhuu buad buba bubb bube bubu buda budb budd bude budu buea bueu buha buhe daab daad daae daau daba dabb dabu dada dade dadu daeb daeu daha dahe dahu daub daud daue dddd ddub dead deae deau deba debe debu deda dedd dede dedu deeb deed deha dehu deua deue dhaa dhad dhau dhed dhee duaa duab duad duah dub- duba dubb dube dubh dubu duda dudd dude dudu duha duhe duhu eaba eabh eada eadb eadd ebba ebed edad edah edda edde ede- edea edeh eede eedu eeea eeee ehaa ehdd ehea eheh eheu ehud euba eude haab haad haba habe habu hada hade hadh hadu haed haha hau- haud haue hdda head heah hebb hebe heda hedd hede heeb heed hehe heue hhaa hhhh huah huba hubb hube huda hudd hude hudu huea hued huhu huub uaua ubba ubbe ubud udaa udad udau udea ueba ueda uh-d uhde uhuh uuuu