iraey riaey iarey airey raiey ariey ireay rieay ieray eiray reiay eriay iaery aiery ieary eiary aeiry eairy raeiy areiy reaiy eraiy aeriy eariy iraye riaye iarye airye raiye ariye iryae riyae iyrae yirae ryiae yriae iayre aiyre iyare yiare ayire yaire rayie aryie ryaie yraie ayrie yarie ireya rieya ierya eirya reiya eriya iryea riyea iyrea yirea ryiea yriea ieyra eiyra iyera yiera eyira yeira reyia eryia ryeia yreia eyria yeria iaeyr aieyr ieayr eiayr aeiyr eaiyr iayer aiyer iyaer yiaer ayier yaier ieyar eiyar iyear yiear eyiar yeiar aeyir eayir ayeir yaeir eyair yeair raeyi areyi reayi erayi aeryi earyi rayei aryei ryaei yraei ayrei yarei reyai eryai ryeai yreai eyrai yerai aeyri eayri ayeri yaeri eyari yeari
Note: these 'words' (valid or invalid) are all the permutations of the word iraey. These words are obtained by scrambling the letters in iraey.