rhies hries rihes irhes hires ihres rheis hreis rehis erhis heris ehris riehs irehs reihs erihs ierhs eirhs hiers ihers heirs ehirs iehrs eihrs rhise hrise rihse irhse hirse ihrse rhsie hrsie rshie srhie hsrie shrie rishe irshe rsihe srihe isrhe sirhe hisre ihsre hsire shire ishre sihre rhesi hresi rehsi erhsi hersi ehrsi rhsei hrsei rshei srhei hsrei shrei reshi ershi rsehi srehi esrhi serhi hesri ehsri hseri sheri eshri sehri riesh iresh reish erish iersh eirsh riseh irseh rsieh srieh isreh sireh resih ersih rseih sreih esrih serih iesrh eisrh iserh sierh esirh seirh hiesr ihesr heisr ehisr iehsr eihsr hiser ihser hsier shier isher siher hesir ehsir hseir sheir eshir sehir ieshr eishr isehr siehr esihr seihr
Note: these 'words' (valid or invalid) are all the permutations of the word rhies. These words are obtained by scrambling the letters in rhies.