perry eprry prery rpery erpry repry perry eprry prery rpery erpry repry prrey rprey prrey rprey rrpey rrpey errpy rerpy errpy rerpy rrepy rrepy peryr epryr preyr rpeyr erpyr repyr peyrr epyrr pyerr yperr eyprr yeprr pryer rpyer pyrer yprer ryper yrper erypr reypr eyrpr yerpr ryepr yrepr peryr epryr preyr rpeyr erpyr repyr peyrr epyrr pyerr yperr eyprr yeprr pryer rpyer pyrer yprer ryper yrper erypr reypr eyrpr yerpr ryepr yrepr prrye rprye prrye rprye rrpye rrpye pryre rpyre pyrre yprre rypre yrpre pryre rpyre pyrre yprre rypre yrpre rrype rrype ryrpe yrrpe ryrpe yrrpe erryp reryp erryp reryp rreyp rreyp eryrp reyrp eyrrp yerrp ryerp yrerp eryrp reyrp eyrrp yerrp ryerp yrerp rryep rryep ryrep yrrep ryrep yrrep
Note: these 'words' (valid or invalid) are all the permutations of the word perry. These words are obtained by scrambling the letters in perry.