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