medpr emdpr mdepr dmepr edmpr dempr mepdr empdr mpedr pmedr epmdr pemdr mdper dmper mpder pmder dpmer pdmer edpmr depmr epdmr pedmr dpemr pdemr medrp emdrp mderp dmerp edmrp demrp merdp emrdp mredp rmedp ermdp remdp mdrep dmrep mrdep rmdep drmep rdmep edrmp dermp erdmp redmp dremp rdemp meprd emprd mperd pmerd epmrd pemrd merpd emrpd mrepd rmepd ermpd rempd mpred pmred mrped rmped prmed rpmed eprmd permd erpmd repmd premd rpemd mdpre dmpre mpdre pmdre dpmre pdmre mdrpe dmrpe mrdpe rmdpe drmpe rdmpe mprde pmrde mrpde rmpde prmde rpmde dprme pdrme drpme rdpme prdme rpdme edprm deprm epdrm pedrm dperm pderm edrpm derpm erdpm redpm drepm rdepm eprdm perdm erpdm repdm predm rpedm dprem pdrem drpem rdpem prdem rpdem
Note: these 'words' (valid or invalid) are all the permutations of the word medpr. These words are obtained by scrambling the letters in medpr.