a-ak a-do a-ii a-ok aaaa aaab aaad aaai aaba aabb aabd aabi aada aadi aaib aaii aaka aaoo abaa abab abad abai abak abb- abba abbb abbi abbo abda abdi abdo abia abib abid aboa abob abod abok aboo adaa adab adad adai adak adao adba adbi adda addd addi addo adia adib adik adio adki adob adod adok adoo aiai aiba aibo aida aidb aidi aiia aiib aiid aika aiki aiko aioi akaa akai akao akia akid akik akio akka akki akko akok aoba aoki ba-i baaa baad baak baba babb babi babo bada badb badd badi bado baia baib baid baik baio bak- baka baki bako bbad bbbb bbdd bbdo bdii biad biak biao biba bibb bibi bibo bida bidi bido biko bio- bioi boab boad boai boak boba bobb bobi bobo boda bodb bodi bodo boi- boid boii boka boki boko boob bood book d-bo daab daad daba dabb dabo dada dadi dado daia daid daik daio daka daki dako dddd dia- diab diad diak diao diba dibb dibo dida didi dido diii dika diki diko dkba dkid doab doak doba dobb dobi dod- doda dodd dodi dodo doid doka doki doko doob dood dook iaaa iaai iaba iadb iaia ibad ibdo ibia ibid idad idda iddo idia idid idio iida iiii iiio iioi iioo ikid ikki ikko ikoo ioba iobi iod- ioda iodd iodo ioii ioio ioko iooi iooo k-id kaaa kaab kaai kaak kaba kabb kabd kabi kabo kad- kada kadd kadi kado kaia kaib kaid kaii kaik kaio kaka kaki kakk kako kaoa kaoi kaok kbaa kbab kbad kbai kbak kbba kbbb kbbd kbbi kbbk kbbo kbdb kbdi kbdo kbia kbib kbid kbik kbio kbkb kbkk kbko kboa kbob kbod kboi kbok kboo kdaa kdab kdad kdai kdak kdao kdbb kdbi kddb kddd kddi kddk kdia kdio kdka kdkb kdkd kdkk kdko kdok kiab kiad kiai kiba kibb kibi kibo kida kidb kidd kidi kidk kido kiia kiid kiii kiik kika kikd kiki kikk kiko kioa kiod kioi kiok kioo kkaa kkai kkba kkbb kkbd kkbi kkbo kkda kkdd kkdo kkia kkid kkik kkkk kkoa kkob kkoo koab koai koak koba kobb kobi kobk kobo koda kodi kodk kodo koii koka kokb koki kokk koko koob kooi kook kooo obad obai obak obba obbo obia obid obkb oboi obok odai odbo odda oddd oddi odia odio odoo oiba oido oiii oiko okak okia okka okko okok ooaa ooak ooba oobi ooda oodi ooia ooid oooo