brees rbees beres ebres rebes erbes brees rbees beres ebres rebes erbes beers ebers beers ebers eebrs eebrs reebs erebs reebs erebs eerbs eerbs brese rbese berse ebrse rebse erbse brsee rbsee bsree sbree rsbee srbee besre ebsre bsere sbere esbre sebre resbe ersbe rsebe srebe esrbe serbe brese rbese berse ebrse rebse erbse brsee rbsee bsree sbree rsbee srbee besre ebsre bsere sbere esbre sebre resbe ersbe rsebe srebe esrbe serbe beesr ebesr beesr ebesr eebsr eebsr beser ebser bseer sbeer esber seber beser ebser bseer sbeer esber seber eesbr eesbr esebr seebr esebr seebr reesb eresb reesb eresb eersb eersb reseb erseb rseeb sreeb esreb sereb reseb erseb rseeb sreeb esreb sereb eesrb eesrb eserb seerb eserb seerb
Note: these 'words' (valid or invalid) are all the permutations of the word brees. These words are obtained by scrambling the letters in brees.