a-ak a-do a-ok a-ya a-yo aaaa aaab aaad aaba aabb aabd aaby aada aaka aaoo abaa abab abad abak abay abb- abba abbb abbo abby abda abdo abdy aboa abob abod abok aboo aboy abyy adaa adab adad adak adao aday adba adda addd addo addy adob adod adok adoo adya akaa akao akay akka akko akok aoba ay-o ayad ayao ayay ayda ayod ayoo ayya baaa baad baak baba babb babo baby bada badb badd bado bady bak- baka bako baya bayo bbad bbay bbbb bbdd bbdo bboy bbyo bday boab boad boak boba bobb bobo boby boda bodb bodo body boka boko boob bood book boya boyd boyo byoa byob byod byyd d-bo daab daad daba dabb dabo dada dado dady daka dako daya dayo dboy dday dddd dkba doab doak doba dobb doby dod- doda dodd dodo dody doka doko doky doob dood dook doya doyk doyo dya- dyab dyad dyak dydd dyko dyo- dyok dyoo kaaa kaab kaak kaay kaba kabb kabd kabo kaby kad- kada kadd kado kady kaka kakk kako kaoa kaok kaya kayo kbaa kbab kbad kbak kbay kbba kbbb kbbd kbbk kbbo kbdb kbdo kbdy kbkb kbkk kbko kbky kboa kbob kbod kbok kboo kbya kbyb kbyo kdaa kdab kdad kdak kdao kday kdbb kddb kddd kddk kdka kdkb kdkd kdkk kdko kdok kdya kdyk kkaa kkay kkba kkbb kkbd kkbo kkda kkdd kkdo kkdy kkkk kkoa kkob kkoo kkoy kkya kkyy koab koak koay koba kobb kobk kobo koby koda kodk kodo kody koka kokb kokk koko koky koob kook kooo koya koyo koyy kyaa kyak kyay kyba kybb kybo kyby kyda kydd kydo kydy kyka kykd kykk kyky kyok kyoo kyoy kyya kyyk kyyo kyyy oaky obad obak obay obba obbo obby obkb obok oboy oday odbo odda oddd oddy odoo okak okay okby okka okko okok okyo ooaa ooak ooba ooby ooda ooky oooo oyak oyda yaak yaba yabo yada yado yaka yako yaya yayo ydad yday ykko yoak yoba yobo yoda yodo yoko yoky yood yook yoyo yyyy