furor ufror fruor rfuor urfor rufor fuorr uforr fourr ofurr uofrr oufrr frour rfour forur ofrur rofur orfur urofr ruofr uorfr ourfr roufr orufr furro ufrro fruro rfuro urfro rufro furro ufrro fruro rfuro urfro rufro frruo rfruo frruo rfruo rrfuo rrfuo urrfo rurfo urrfo rurfo rrufo rrufo fuorr uforr fourr ofurr uofrr oufrr furor ufror fruor rfuor urfor rufor forur ofrur frour rfour orfur rofur uorfr ourfr urofr ruofr orufr roufr froru rforu forru ofrru rofru orfru frrou rfrou frrou rfrou rrfou rrfou forru ofrru froru rforu orfru rofru rorfu orrfu rrofu rrofu orrfu rorfu urorf ruorf uorrf ourrf rourf orurf urrof rurof urrof rurof rruof rruof uorrf ourrf urorf ruorf orurf rourf roruf orruf rrouf rrouf orruf roruf
Note: these 'words' (valid or invalid) are all the permutations of the word furor. These words are obtained by scrambling the letters in furor.