a-ak a-be a-ok a-ya a-yo aaaa aaab aaae aaav aaba aabb aaby aaea aaev aaka aake aaoe aaoo aava abaa abab abae abak abay abb- abba abbb abbe abbo abby abee abey aboa abob abok aboo abov aboy abva abye abyy aeby aeka aeva akaa akae akao akay akee akey akka akko akok aoba avab avao avay avea aveo avey avoy avva avvo avvy avye ay-o ayao ayay ayoo ayya baaa baak baba babb babe babo baby baek bak- baka bake bako bava bave baya baye bayo bbay bbbb bbeb bboy bbyo beak beav beay beba bebb bebe bebo beby beeb beek beey beka beke beko beo- beok bevo bevy beya beye beyk boab boak boba bobb bobe bobo boby boea boee boeo boey boka boke boko boob booe book bova bove bovo bovy boya boye boyo byke byoa byob eaba eave ebay ebba ebbo ebby eboe eboo eboy ebya eeby eeea eeee eeka eeke eeva eka- ekab ekeb ekek ekka ekoa eoka evae evea evey evoe evoo evvk eyak eyeb eyey eyke kaaa kaab kaak kaay kaba kabb kabe kabo kaby kaeo kaka kake kakk kako kaoa kaok kava kavb kave kavo kavv kaya kaye kayo kbaa kbab kbae kbak kbay kbba kbbb kbbe kbbk kbbo kbeb kbee kbek kbeo kbev kbey kbkb kbkk kbko kbkv kbky kboa kbob kboe kbok kboo kbov kbva kbvb kbvo kbya kbyb kbyo kea- keak keay keba kebb kebe keek keka kekb keke keko keok keva keve keya keyb keye keyy kkaa kkay kkba kkbb kkbe kkbo kkea kkkk kkoa kkob kkoo kkov kkoy kkvv kkya kkyy koab koae koak koay koba kobb kobe kobk kobo koby koea koka kokb koke kokk koko koky koob kook kooo koov kova kove kovk kovo koya koye koyo koyy kvab kvak kvay kvea kvoa kvob kvoe kvok kvoo kvov kvvv kvyb kvye kyaa kyak kyay kyba kybb kybe kybo kyby kyee kyka kyke kykk kykv kyky kyok kyoo kyoy kyva kyya kyyk kyyo kyyy o-eo oake oaky obak obay obba obbo obby obea obey obkb oboe obok oboy oeya oeye oeyo okak okay okby okey okka okko okok okyo ooaa ooak ooba oobe ooby ooky oooo ovee ovey ovo- ovoo oyak oyee oyke vaka vake vava vaya vaye vayk vbyv veak veba veka veke veve vevo vevy veye voay voka voke voky vovk voye vvob vvvv vyke yaak yaba yabo yaka yako yava yave yaya yayo yeek yeka yeke yeve yeye yeyo ykey ykko yoak yoav yoba yobo yoke yoko yoky yook yova yove yoye yoyo yyyy