reney erney rneey nreey enrey nerey reeny ereny reeny ereny eerny eerny rneey nreey reney erney nerey enrey enery neery eenry eenry neery enery renye ernye rneye nreye enrye nerye reyne eryne ryene yrene eyrne yerne rnyee nryee rynee yrnee nyree ynree enyre neyre eynre yenre nyere ynere reeyn ereyn reeyn ereyn eeryn eeryn reyen eryen ryeen yreen eyren yeren reyen eryen ryeen yreen eyren yeren eeyrn eeyrn eyern yeern eyern yeern rneye nreye renye ernye nerye enrye rnyee nryee rynee yrnee nyree ynree reyne eryne ryene yrene eyrne yerne neyre enyre nyere ynere eynre yenre eneyr neeyr eenyr eenyr neeyr eneyr enyer neyer eyner yener nyeer yneer eeynr eeynr eyenr yeenr eyenr yeenr neyer enyer nyeer yneer eyner yener
Note: these 'words' (valid or invalid) are all the permutations of the word reney. These words are obtained by scrambling the letters in reney.