boree obree broee rboee orbee robee boere obere beore ebore oebre eobre breoe rbeoe beroe ebroe reboe erboe orebe roebe oerbe eorbe reobe erobe boree obree broee rboee orbee robee boere obere beore ebore oebre eobre breoe rbeoe beroe ebroe reboe erboe orebe roebe oerbe eorbe reobe erobe boeer obeer beoer eboer oeber eober boeer obeer beoer eboer oeber eober beeor ebeor beeor ebeor eebor eebor oeebr eoebr oeebr eoebr eeobr eeobr breeo rbeeo bereo ebreo rebeo erbeo breeo rbeeo bereo ebreo rebeo erbeo beero ebero beero ebero eebro eebro reebo erebo reebo erebo eerbo eerbo oreeb roeeb oereb eoreb reoeb eroeb oreeb roeeb oereb eoreb reoeb eroeb oeerb eoerb oeerb eoerb eeorb eeorb reeob ereob reeob ereob eerob eerob
Note: these 'words' (valid or invalid) are all the permutations of the word boree. These words are obtained by scrambling the letters in boree.