a-be a-do a-ha aaaa aaab aaad aaae aaah aaba aabb aabd aabh aada aade aaea aaha aaoe aaoo abaa abab abad abae abb- abba abbb abbe abbo abda abdo abed abee abha abho aboa abob abod aboh aboo adaa adab adad adae adah adao adba adda addd adde addo adea adeb adee adeh adeo adha adhd adho adob adod adoe adoo aede ahab ahad ahah ahed ahha ahoa ahod ahoe aoah aoba aodh baaa baad baah baba babb babe babo bada badb badd bade badh bado baed baha baho baoh bbad bbbb bbdd bbdo bbeb bddh bead beah beba bebb bebe bebo beda bede bedo beeb beed beo- beod bhao boab boad boba bobb bobe bobo boda bodb bode bodh bodo boea boee boeo boha bohd boho boob bood booe booh d-bo daab daad daae daba dabb dabo dada dade dado daeb daha dahe dddd dead deae deba debe deda dedd dede dedo deeb deed deha dhaa dhad dhao dhed dhee dhod doab doae doba dobb dobe dod- doda dodd dode dodo doea doha doob dood eaba eabh eada eadb eadd ebba ebbo ebed eboe eboo edad edah edda edde eddo ede- edea edeh edod eede eeea eeee ehaa ehdd ehea eheh eode haab haad haba habe habo hada hade hadh haed haha haho hdda hdod head heah hebb hebe hebo heda hedd hede hedo heeb heed hehe heho hhaa hhhh hoad hoba hobe hobo hoda hode hodh hoed hoha hohe hoho hood hooe o-eo oade oahe obad obba obbo obea obed oboe odah odbo odda oddd odea oded odeo odoh odoo oedo ohad ohba ohbe ohed ohee ohho ohob ohoh ooaa ooba oobe ooda ooha ooho oooh oooo