perdum eprdum predum rpedum erpdum repdum pedrum epdrum pderum dperum edprum deprum prdeum rpdeum pdreum dpreum rdpeum drpeum erdpum redpum edrpum derpum rdepum drepum perudm eprudm preudm rpeudm erpudm repudm peurdm epurdm puerdm uperdm euprdm ueprdm pruedm rpuedm puredm upredm rupedm urpedm erupdm reupdm eurpdm uerpdm ruepdm urepdm pedurm epdurm pdeurm dpeurm edpurm depurm peudrm epudrm puedrm upedrm eupdrm uepdrm pduerm dpuerm puderm upderm duperm udperm eduprm deuprm eudprm uedprm dueprm udeprm prduem rpduem pdruem dpruem rdpuem drpuem prudem rpudem purdem uprdem rupdem urpdem pdurem dpurem pudrem updrem duprem udprem rdupem drupem rudpem urdpem durpem udrpem erdupm redupm edrupm derupm rdeupm dreupm erudpm reudpm eurdpm uerdpm ruedpm uredpm edurpm deurpm eudrpm uedrpm duerpm uderpm rduepm druepm rudepm urdepm durepm udrepm perdmu eprdmu predmu rpedmu erpdmu repdmu pedrmu epdrmu pdermu dpermu edprmu deprmu prdemu rpdemu pdremu dpremu rdpemu drpemu erdpmu redpmu edrpmu derpmu rdepmu drepmu permdu eprmdu premdu rpemdu erpmdu repmdu pemrdu epmrdu pmerdu mperdu emprdu meprdu prmedu rpmedu pmredu mpredu rmpedu mrpedu ermpdu rempdu emrpdu merpdu rmepdu mrepdu pedmru epdmru pdemru dpemru edpmru depmru pemdru epmdru pmedru mpedru empdru mepdru pdmeru dpmeru pmderu mpderu dmperu mdperu edmpru dempru emdpru medpru dmepru mdepru prdmeu rpdmeu pdrmeu dprmeu rdpmeu drpmeu prmdeu rpmdeu pmrdeu mprdeu rmpdeu mrpdeu pdmreu dpmreu pmdreu mpdreu dmpreu mdpreu rdmpeu drmpeu rmdpeu mrdpeu dmrpeu mdrpeu erdmpu redmpu edrmpu dermpu rdempu drempu ermdpu remdpu emrdpu merdpu rmedpu mredpu edmrpu demrpu emdrpu medrpu dmerpu mderpu rdmepu drmepu rmdepu mrdepu dmrepu mdrepu perumd eprumd preumd rpeumd erpumd repumd peurmd epurmd puermd upermd euprmd ueprmd pruemd rpuemd puremd upremd rupemd urpemd erupmd reupmd eurpmd uerpmd ruepmd urepmd permud eprmud premud rpemud erpmud repmud pemrud epmrud pmerud mperud emprud meprud prmeud rpmeud pmreud mpreud rmpeud mrpeud ermpud rempud emrpud merpud rmepud mrepud peumrd epumrd puemrd upemrd eupmrd uepmrd pemurd epmurd pmeurd mpeurd empurd mepurd pumerd upmerd pmuerd mpuerd umperd muperd eumprd uemprd emuprd meuprd umeprd mueprd prumed rpumed purmed uprmed rupmed urpmed prmued rpmued pmrued mprued rmpued mrpued pumred upmred pmured mpured umpred mupred rumped urmped rmuped mruped umrped murped erumpd reumpd eurmpd uermpd ruempd urempd ermupd remupd emrupd merupd rmeupd mreupd eumrpd uemrpd emurpd meurpd umerpd muerpd rumepd urmepd rmuepd mruepd umrepd murepd pedumr epdumr pdeumr dpeumr edpumr depumr peudmr epudmr puedmr upedmr eupdmr uepdmr pduemr dpuemr pudemr updemr dupemr udpemr edupmr deupmr eudpmr uedpmr duepmr udepmr pedmur epdmur pdemur dpemur edpmur depmur pemdur epmdur pmedur mpedur empdur mepdur pdmeur dpmeur pmdeur mpdeur dmpeur mdpeur edmpur dempur emdpur medpur dmepur mdepur peumdr epumdr puemdr upemdr eupmdr uepmdr pemudr epmudr pmeudr mpeudr empudr mepudr pumedr upmedr pmuedr mpuedr umpedr mupedr eumpdr uempdr emupdr meupdr umepdr muepdr pdumer dpumer pudmer updmer dupmer udpmer pdmuer dpmuer pmduer mpduer dmpuer mdpuer pumder upmder pmuder mpuder umpder mupder dumper udmper dmuper mduper umdper mudper edumpr deumpr eudmpr uedmpr duempr udempr edmupr demupr emdupr medupr dmeupr mdeupr eumdpr uemdpr emudpr meudpr umedpr muedpr dumepr udmepr dmuepr mduepr umdepr mudepr prdume rpdume pdrume dprume rdpume drpume prudme rpudme purdme uprdme rupdme urpdme pdurme dpurme pudrme updrme duprme udprme rdupme drupme rudpme urdpme durpme udrpme prdmue rpdmue pdrmue dprmue rdpmue drpmue prmdue rpmdue pmrdue mprdue rmpdue mrpdue pdmrue dpmrue pmdrue mpdrue dmprue mdprue rdmpue drmpue rmdpue mrdpue dmrpue mdrpue prumde rpumde purmde uprmde rupmde urpmde prmude rpmude pmrude mprude rmpude mrpude pumrde upmrde pmurde mpurde umprde muprde rumpde urmpde rmupde mrupde umrpde murpde pdumre dpumre pudmre updmre dupmre udpmre pdmure dpmure pmdure mpdure dmpure mdpure pumdre upmdre pmudre mpudre umpdre mupdre dumpre udmpre dmupre mdupre umdpre mudpre rdumpe drumpe rudmpe urdmpe durmpe udrmpe rdmupe drmupe rmdupe mrdupe dmrupe mdrupe rumdpe urmdpe rmudpe mrudpe umrdpe murdpe dumrpe udmrpe dmurpe mdurpe umdrpe mudrpe erdump redump edrump derump rdeump dreump erudmp reudmp eurdmp uerdmp ruedmp uredmp edurmp deurmp eudrmp uedrmp duermp udermp rduemp druemp rudemp urdemp duremp udremp erdmup redmup edrmup dermup rdemup dremup ermdup remdup emrdup merdup rmedup mredup edmrup demrup emdrup medrup dmerup mderup rdmeup drmeup rmdeup mrdeup dmreup mdreup erumdp reumdp eurmdp uermdp ruemdp uremdp ermudp remudp emrudp merudp rmeudp mreudp eumrdp uemrdp emurdp meurdp umerdp muerdp rumedp urmedp rmuedp mruedp umredp muredp edumrp deumrp eudmrp uedmrp duemrp udemrp edmurp demurp emdurp medurp dmeurp mdeurp eumdrp uemdrp emudrp meudrp umedrp muedrp dumerp udmerp dmuerp mduerp umderp muderp rdumep drumep rudmep urdmep durmep udrmep rdmuep drmuep rmduep mrduep dmruep mdruep rumdep urmdep rmudep mrudep umrdep murdep dumrep udmrep dmurep mdurep umdrep mudrep
Note: these 'words' (valid or invalid) are all the permutations of the word perdum. These words are obtained by scrambling the letters in perdum.