parep aprep praep rpaep arpep rapep paerp aperp pearp eparp aeprp eaprp preap rpeap perap eprap repap erpap arepp raepp aerpp earpp reapp erapp parpe aprpe prape rpape arppe rappe papre appre ppare ppare appre papre prpae rppae pprae pprae rppae prpae arppe rappe aprpe parpe rpape prape paepr apepr peapr epapr aeppr eappr paper apper ppaer ppaer apper paper pepar eppar ppear ppear eppar pepar aeppr eappr apepr paepr epapr peapr prepa rpepa perpa eprpa reppa erppa prpea rppea pprea pprea rppea prpea pepra eppra ppera ppera eppra pepra reppa erppa rpepa prepa eprpa perpa arepp raepp aerpp earpp reapp erapp arpep rapep aprep parep rpaep praep aeprp eaprp aperp paerp eparp pearp repap erpap rpeap preap eprap perap
Note: these 'words' (valid or invalid) are all the permutations of the word parep. These words are obtained by scrambling the letters in parep.