dryer rdyer dyrer ydrer ryder yrder dreyr rdeyr deryr edryr redyr erdyr dyerr yderr deyrr edyrr yedrr eydrr ryedr yredr reydr erydr yerdr eyrdr dryre rdyre dyrre ydrre rydre yrdre drrye rdrye drrye rdrye rrdye rrdye dyrre ydrre dryre rdyre yrdre rydre ryrde yrrde rryde rryde yrrde ryrde drery rdery derry edrry redry erdry drrey rdrey drrey rdrey rrdey rrdey derry edrry drery rdery erdry redry rerdy errdy rredy rredy errdy rerdy dyerr yderr deyrr edyrr yedrr eydrr dyrer ydrer dryer rdyer yrder ryder deryr edryr dreyr rdeyr erdyr redyr yerdr eyrdr yredr ryedr erydr reydr ryerd yrerd reyrd eryrd yerrd eyrrd ryred yrred rryed rryed yrred ryred reryd erryd rreyd rreyd erryd reryd yerrd eyrrd yrerd ryerd eryrd reyrd
Note: these 'words' (valid or invalid) are all the permutations of the word dryer. These words are obtained by scrambling the letters in dryer.