a-ya a-yo aaaa aaab aaav aaba aabb aaby aaoo aava abaa abab abay abb- abba abbb abbo abby aboa abob aboo abov aboy abva abyy abza aoba avab avao avay avaz avoy avva avvo avvy ay-o ayao ayay ayaz ayoo ayya aza- azab azay azaz azo- azoo azov azza azzo baaa baaz baba babb babo baby bava baya bayo bayz baza bazo bazy bbay bbbb bboy bbyo boab boaz boba bobb bobo boby boob booz bova bovo bovy boya boyo boyz boza bozo byoa byob bzyb bzzz oazy obay obba obbo obby oboy ooaa ooba ooby oooo oozy ovo- ovoo ozzy vava vaya vaza vbyv voay vvob vvvv vyaz vybz yaba yabo yava yaya yayo yaza yazz yoav yoba yobo yooz yova yoyo yozo yyyy zaav zaba zabo zaby zaya zaza zobo zoo- zoya zoza zozo zvab zzzz