redrum erdrum rderum drerum edrrum derrum rerdum errdum rredum rredum errdum rerdum rdreum drreum rrdeum rrdeum drreum rdreum edrrum derrum erdrum redrum drerum rderum redurm erdurm rdeurm dreurm edrurm derurm reudrm erudrm ruedrm uredrm eurdrm uerdrm rduerm druerm ruderm urderm durerm udrerm edurrm deurrm eudrrm uedrrm duerrm uderrm rerudm errudm rreudm rreudm errudm rerudm reurdm erurdm ruerdm urerdm eurrdm uerrdm rruedm rruedm ruredm urredm ruredm urredm erurdm reurdm eurrdm uerrdm ruerdm urerdm rdruem drruem rrduem rrduem drruem rdruem rdurem drurem rudrem urdrem durrem udrrem rrudem rrudem rurdem urrdem rurdem urrdem drurem rdurem durrem udrrem rudrem urdrem edrurm derurm erdurm redurm dreurm rdeurm edurrm deurrm eudrrm uedrrm duerrm uderrm erudrm reudrm eurdrm uerdrm ruedrm uredrm druerm rduerm durerm udrerm ruderm urderm redrmu erdrmu rdermu drermu edrrmu derrmu rerdmu errdmu rredmu rredmu errdmu rerdmu rdremu drremu rrdemu rrdemu drremu rdremu edrrmu derrmu erdrmu redrmu drermu rdermu redmru erdmru rdemru dremru edrmru dermru remdru ermdru rmedru mredru emrdru merdru rdmeru drmeru rmderu mrderu dmreru mdreru edmrru demrru emdrru medrru dmerru mderru rermdu errmdu rremdu rremdu errmdu rermdu remrdu ermrdu rmerdu mrerdu emrrdu merrdu rrmedu rrmedu rmredu mrredu rmredu mrredu ermrdu remrdu emrrdu merrdu rmerdu mrerdu rdrmeu drrmeu rrdmeu rrdmeu drrmeu rdrmeu rdmreu drmreu rmdreu mrdreu dmrreu mdrreu rrmdeu rrmdeu rmrdeu mrrdeu rmrdeu mrrdeu drmreu rdmreu dmrreu mdrreu rmdreu mrdreu edrmru dermru erdmru redmru dremru rdemru edmrru demrru emdrru medrru dmerru mderru ermdru remdru emrdru merdru rmedru mredru drmeru rdmeru dmreru mdreru rmderu mrderu redumr erdumr rdeumr dreumr edrumr derumr reudmr erudmr ruedmr uredmr eurdmr uerdmr rduemr druemr rudemr urdemr duremr udremr edurmr deurmr eudrmr uedrmr duermr udermr redmur erdmur rdemur dremur edrmur dermur remdur ermdur rmedur mredur emrdur merdur rdmeur drmeur rmdeur mrdeur dmreur mdreur edmrur demrur emdrur medrur dmerur mderur reumdr erumdr ruemdr uremdr eurmdr uermdr remudr ermudr rmeudr mreudr emrudr merudr rumedr urmedr rmuedr mruedr umredr muredr eumrdr uemrdr emurdr meurdr umerdr muerdr rdumer drumer rudmer urdmer durmer udrmer rdmuer drmuer rmduer mrduer dmruer mdruer rumder urmder rmuder mruder umrder murder dumrer udmrer dmurer mdurer umdrer mudrer edumrr deumrr eudmrr uedmrr duemrr udemrr edmurr demurr emdurr medurr dmeurr mdeurr eumdrr uemdrr emudrr meudrr umedrr muedrr dumerr udmerr dmuerr mduerr umderr muderr rerumd errumd rreumd rreumd errumd rerumd reurmd erurmd ruermd urermd eurrmd uerrmd rruemd rruemd ruremd urremd ruremd urremd erurmd reurmd eurrmd uerrmd ruermd urermd rermud errmud rremud rremud errmud rermud remrud ermrud rmerud mrerud emrrud merrud rrmeud rrmeud rmreud mrreud rmreud mrreud ermrud remrud emrrud merrud rmerud mrerud reumrd erumrd ruemrd uremrd eurmrd uermrd remurd ermurd rmeurd mreurd emrurd merurd rumerd urmerd rmuerd mruerd umrerd murerd eumrrd uemrrd emurrd meurrd umerrd muerrd rrumed rrumed rurmed urrmed rurmed urrmed rrmued rrmued rmrued mrrued rmrued mrrued rumred urmred rmured mrured umrred murred rumred urmred rmured mrured umrred murred erumrd reumrd eurmrd uermrd ruemrd uremrd ermurd remurd emrurd merurd rmeurd mreurd eumrrd uemrrd emurrd meurrd umerrd muerrd rumerd urmerd rmuerd mruerd umrerd murerd rdrume drrume rrdume rrdume drrume rdrume rdurme drurme rudrme urdrme durrme udrrme rrudme rrudme rurdme urrdme rurdme urrdme drurme rdurme durrme udrrme rudrme urdrme rdrmue drrmue rrdmue rrdmue drrmue rdrmue rdmrue drmrue rmdrue mrdrue dmrrue mdrrue rrmdue rrmdue rmrdue mrrdue rmrdue mrrdue drmrue rdmrue dmrrue mdrrue rmdrue mrdrue rdumre drumre rudmre urdmre durmre udrmre rdmure drmure rmdure mrdure dmrure mdrure rumdre urmdre rmudre mrudre umrdre murdre dumrre udmrre dmurre mdurre umdrre mudrre rrumde rrumde rurmde urrmde rurmde urrmde rrmude rrmude rmrude mrrude rmrude mrrude rumrde urmrde rmurde mrurde umrrde murrde rumrde urmrde rmurde mrurde umrrde murrde drumre rdumre durmre udrmre rudmre urdmre drmure rdmure dmrure mdrure rmdure mrdure dumrre udmrre dmurre mdurre umdrre mudrre rumdre urmdre rmudre mrudre umrdre murdre edrumr derumr erdumr redumr dreumr rdeumr edurmr deurmr eudrmr uedrmr duermr udermr erudmr reudmr eurdmr uerdmr ruedmr uredmr druemr rduemr duremr udremr rudemr urdemr edrmur dermur erdmur redmur dremur rdemur edmrur demrur emdrur medrur dmerur mderur ermdur remdur emrdur merdur rmedur mredur drmeur rdmeur dmreur mdreur rmdeur mrdeur edumrr deumrr eudmrr uedmrr duemrr udemrr edmurr demurr emdurr medurr dmeurr mdeurr eumdrr uemdrr emudrr meudrr umedrr muedrr dumerr udmerr dmuerr mduerr umderr muderr erumdr reumdr eurmdr uermdr ruemdr uremdr ermudr remudr emrudr merudr rmeudr mreudr eumrdr uemrdr emurdr meurdr umerdr muerdr rumedr urmedr rmuedr mruedr umredr muredr drumer rdumer durmer udrmer rudmer urdmer drmuer rdmuer dmruer mdruer rmduer mrduer dumrer udmrer dmurer mdurer umdrer mudrer rumder urmder rmuder mruder umrder murder
Note: these 'words' (valid or invalid) are all the permutations of the word redrum. These words are obtained by scrambling the letters in redrum.