bleeb lbeeb beleb ebleb lebeb elbeb bleeb lbeeb beleb ebleb lebeb elbeb beelb ebelb beelb ebelb eeblb eeblb leebb elebb leebb elebb eelbb eelbb blebe lbebe belbe eblbe lebbe elbbe blbee lbbee bblee bblee lbbee blbee beble ebble bbele bbele ebble beble lebbe elbbe lbebe blebe eblbe belbe blebe lbebe belbe eblbe lebbe elbbe blbee lbbee bblee bblee lbbee blbee beble ebble bbele bbele ebble beble lebbe elbbe lbebe blebe eblbe belbe beebl ebebl beebl ebebl eebbl eebbl bebel ebbel bbeel bbeel ebbel bebel bebel ebbel bbeel bbeel ebbel bebel eebbl eebbl ebebl beebl ebebl beebl leebb elebb leebb elebb eelbb eelbb lebeb elbeb lbeeb bleeb ebleb beleb lebeb elbeb lbeeb bleeb ebleb beleb eeblb eeblb ebelb beelb ebelb beelb
Note: these 'words' (valid or invalid) are all the permutations of the word bleeb. These words are obtained by scrambling the letters in bleeb.