a-ak a-do a-ha a-ok aaaa aaab aaad aaah aaba aabb aabd aabh aada aaha aahk aaka aaoo abaa abab abad abak abb- abba abbb abbo abda abdo abha abho aboa abob abod aboh abok aboo adaa adab adad adah adak adao adba adda addd addo adha adhd adho adob adod adok adoo ahab ahad ahah ahha ahoa ahod ahok akaa akah akao akha akka akko akok aoah aoba aodh baaa baad baah baak baba babb babo bada badb badd badh bado baha baho bak- baka bakh bako baoh bbad bbbb bbdd bbdo bddh bhao boab boad boak boba bobb bobo boda bodb bodh bodo boha bohd boho boka boko boob bood booh book d-bo daab daad daba dabb dabo dada dado daha daka dako dddd dhaa dhad dhak dhao dhod dkba doab doak doba dobb dod- doda dodd dodo doha doka doko doob dood dook haab haad haak haba habo hada hadh haha haho haka hakk hako hdbk hdda hdod hhaa hhhh hoad hoba hobo hoda hodh hodk hoha hoho hoka hoko hood hook kaaa kaab kaak kaba kabb kabd kabo kad- kada kadd kado kaha kaho kaka kakh kakk kako kaoa kaok kbaa kbab kbad kbak kbba kbbb kbbd kbbk kbbo kbdb kbdo kbhb kbhh kbkb kbkk kbko kboa kbob kbod kbok kboo kdaa kdab kdad kdak kdao kdbb kddb kddd kddk kdka kdkb kdkd kdkk kdko kdok khab khad khak khao khbd khdk khhk khho khka khkk khoa khob khok kkaa kkba kkbb kkbd kkbo kkda kkdd kkdo kkha kkhb kkhh kkhk kkkk kkoa kkob kkoh kkoo koab koak koba kobb kobk kobo koda kodk kodo koha kohd kohh koho koka kokb kokh kokk koko koob kook kooo obad obak obba obbo obkb obok odah odbo odda oddd odoh odoo ohad ohba ohho ohob ohoh ohok okak okha okka okko okok ooaa ooak ooba ooda ooha ooho oooh oooo