prese rpese perse eprse repse erpse prsee rpsee psree spree rspee srpee pesre epsre psere spere espre sepre respe erspe rsepe srepe esrpe serpe prees rpees peres epres repes erpes prees rpees peres epres repes erpes peers epers peers epers eeprs eeprs reeps ereps reeps ereps eerps eerps prsee rpsee psree spree rspee srpee prese rpese perse eprse repse erpse psere spere pesre epsre sepre espre rsepe srepe respe erspe serpe esrpe peser epser pseer speer esper seper peesr epesr peesr epesr eepsr eepsr pseer speer peser epser seper esper esepr seepr eespr eespr seepr esepr resep ersep rseep sreep esrep serep reesp eresp reesp eresp eersp eersp rseep sreep resep ersep serep esrep eserp seerp eesrp eesrp seerp eserp
Note: these 'words' (valid or invalid) are all the permutations of the word prese. These words are obtained by scrambling the letters in prese.