a-be a-ya aaaa aaab aaae aaba aabb aabt aaby aaea aata aatt abaa abab abae abat abay abb- abba abbb abbe abbt abby abee abet abey abta abye abyt abyy aeby aeta aett at-t ataa atab atae atat atay atea atee atta atte atty atya ayat ayay ayta ayya baaa baat baba babb babe baby bata bate batt baty baya baye bayt bbay bbbb bbeb bbet beat beay beba bebb bebe beby beeb beet beey beta bete bett beya beye beyt btaa bttb byte eaba eata eate ebay ebba ebby ebya eeby eeea eeee eeta eete etat etee etta ette etty eyeb eyet eyey eyte taa- taat taba tabb tabe taby tata tatb tate tatt taty taya taye tayt tayy tbta teat teba teet teta tete tett teya teye ttab ttbb tttt tyee tyet tyta tyte tytt tyty yaba yata yate yaya ybet yeat yeet yeta yete yett yeye ytay yyyy