bbbee bebel beebe beele beete beeut belee belet bellb belle belue belut betee betel betle bett- bette betul beule beute bleet blete bleue bluet bubbe buble buell bulb- bull- bulle bulul bulut butte butut ebbet ebble ebell eblul ebull eeeee eleet elele eleut ellel ellet ellul elulu elute etete ettel ettle euell lebel lebet leell leleu lelle letbe lette lubbe luble lulle lulte lulul lute- lutte tbtbt tbutt tebet teele teell tele- teleu tell- telle tetel tetle tette tlell tlett ttttt tubul tuell tuelt tulet tulle tutee tutel tutle tutte ubble ullet ululu utube uuuuu