uraei ruaei uarei aurei rauei aruei ureai rueai uerai eurai reuai eruai uaeri aueri ueari euari aeuri eauri raeui areui reaui eraui aerui earui uraie ruaie uarie aurie rauie aruie uriae ruiae uirae iurae riuae iruae uaire auire uiare iuare aiure iaure raiue ariue riaue iraue airue iarue ureia rueia ueria euria reuia eruia uriea ruiea uirea iurea riuea iruea ueira euira uiera iuera eiura ieura reiua eriua rieua ireua eirua ierua uaeir aueir ueair euair aeuir eauir uaier auier uiaer iuaer aiuer iauer ueiar euiar uiear iuear eiuar ieuar aeiur eaiur aieur iaeur eiaur ieaur raeiu areiu reaiu eraiu aeriu eariu raieu arieu riaeu iraeu aireu iareu reiau eriau rieau ireau eirau ierau aeiru eairu aieru iaeru eiaru iearu
Note: these 'words' (valid or invalid) are all the permutations of the word uraei. These words are obtained by scrambling the letters in uraei.