bgrar gbrar brgar rbgar grbar rgbar bgarr gbarr bagrr abgrr gabrr agbrr bragr rbagr bargr abrgr rabgr arbgr grabr rgabr garbr agrbr ragbr argbr bgrra gbrra brgra rbgra grbra rgbra bgrra gbrra brgra rbgra grbra rgbra brrga rbrga brrga rbrga rrbga rrbga grrba rgrba grrba rgrba rrgba rrgba bgarr gbarr bagrr abgrr gabrr agbrr bgrar gbrar brgar rbgar grbar rgbar bargr abrgr bragr rbagr arbgr rabgr garbr agrbr grabr rgabr argbr ragbr brarg rbarg barrg abrrg rabrg arbrg brrag rbrag brrag rbrag rrbag rrbag barrg abrrg brarg rbarg arbrg rabrg rarbg arrbg rrabg rrabg arrbg rarbg grarb rgarb garrb agrrb ragrb argrb grrab rgrab grrab rgrab rrgab rrgab garrb agrrb grarb rgarb argrb ragrb rargb arrgb rragb rragb arrgb rargb
Note: these 'words' (valid or invalid) are all the permutations of the word bgrar. These words are obtained by scrambling the letters in bgrar.