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