a-do a-ha aaaa aaab aaad aaah aaba aabb aabd aabh aada aaha aaoo abaa abab abad abb- abba abbb abbo abda abdo abha abho aboa abob abod aboh aboo adaa adab adad adah adao adba adda addd addo adha adhd adho adob adod adoo ahab ahad ahah ahha ahoa ahod aoah aoba aodh baaa baad baah baba babb babo bada badb badd badh bado baha baho baoh bbad bbbb bbdd bbdo bddh bhao boab boad boba bobb bobo boda bodb bodh bodo boha bohd boho boob bood booh d-bo daab daad daba dabb dabo dada dado daha dddd dhaa dhad dhao dhod doab doba dobb dod- doda dodd dodo doha doob dood haab haad haba habo hada hadh haha haho hdda hdod hhaa hhhh hoad hoba hobo hoda hodh hoha hoho hood obad obba obbo odah odbo odda oddd odoh odoo ohad ohba ohho ohob ohoh ooaa ooba ooda ooha ooho oooh oooo