moper omper mpoer pmoer opmer pomer moepr omepr meopr emopr oempr eompr mpeor pmeor mepor empor pemor epmor opemr poemr oepmr eopmr peomr epomr mopre ompre mpore pmore opmre pomre morpe omrpe mrope rmope ormpe rompe mproe pmroe mrpoe rmpoe prmoe rpmoe oprme porme orpme ropme prome rpome moerp omerp meorp emorp oemrp eomrp morep omrep mroep rmoep ormep romep merop emrop mreop rmeop ermop remop oermp eormp oremp roemp eromp reomp mpero pmero mepro empro pemro epmro mpreo pmreo mrpeo rmpeo prmeo rpmeo merpo emrpo mrepo rmepo ermpo rempo permo eprmo premo rpemo erpmo repmo operm poerm oeprm eoprm peorm eporm oprem porem orpem ropem proem rpoem oerpm eorpm orepm roepm eropm reopm perom eprom preom rpeom erpom repom
Note: these 'words' (valid or invalid) are all the permutations of the word moper. These words are obtained by scrambling the letters in moper.