a-be a-ya aaaa aaab aaae aaba aabb aaby aaea abaa abab abae abay abb- abba abbb abbe abby abee abey abez abye abyy abza aeby ayay ayaz ayya ayze aza- azab azay azaz azza baaa baaz baba babb babe baby baez baya baye bayz baza baze bazy bbay bbbb bbeb beay beba bebb bebe beby beeb beey beya beye beze bzyb bzzz eaba eazy ebay ebba ebby ebya eeby eeea eeee eeze eyeb eyey eyez yaba yaya yaza yazz yeye yyyy zaba zaby zaya zaza zeae zeba zebe zeya zeze zzzz