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