preamp rpeamp peramp epramp repamp erpamp praemp rpaemp paremp apremp rapemp arpemp pearmp eparmp paermp apermp eaprmp aeprmp reapmp erapmp raepmp arepmp earpmp aerpmp premap rpemap permap eprmap repmap erpmap prmeap rpmeap pmreap mpreap rmpeap mrpeap pemrap epmrap pmerap mperap emprap meprap rempap ermpap rmepap mrepap emrpap merpap pramep rpamep parmep aprmep rapmep arpmep prmaep rpmaep pmraep mpraep rmpaep mrpaep pamrep apmrep pmarep mparep amprep maprep rampep armpep rmapep mrapep amrpep marpep peamrp epamrp paemrp apemrp eapmrp aepmrp pemarp epmarp pmearp mpearp emparp meparp pamerp apmerp pmaerp mpaerp amperp maperp eamprp aemprp emaprp meaprp ameprp maeprp reampp erampp raempp arempp earmpp aermpp remapp ermapp rmeapp mreapp emrapp merapp ramepp armepp rmaepp mraepp amrepp marepp eamrpp aemrpp emarpp mearpp amerpp maerpp preapm rpeapm perapm eprapm repapm erpapm praepm rpaepm parepm aprepm rapepm arpepm pearpm eparpm paerpm aperpm eaprpm aeprpm reappm erappm raeppm areppm earppm aerppm prepam rpepam perpam eprpam reppam erppam prpeam rppeam ppream ppream rppeam prpeam pepram eppram pperam pperam eppram pepram reppam erppam rpepam prepam eprpam perpam prapem rpapem parpem aprpem rappem arppem prpaem rppaem ppraem ppraem rppaem prpaem paprem apprem pparem pparem apprem paprem rappem arppem rpapem prapem aprpem parpem peaprm epaprm paeprm apeprm eapprm aepprm peparm epparm ppearm ppearm epparm peparm paperm apperm ppaerm ppaerm apperm paperm eapprm aepprm epaprm peaprm apeprm paeprm reappm erappm raeppm areppm earppm aerppm repapm erpapm rpeapm preapm eprapm perapm rapepm arpepm rpaepm praepm aprepm parepm eaprpm aeprpm eparpm pearpm aperpm paerpm prempa rpempa permpa eprmpa repmpa erpmpa prmepa rpmepa pmrepa mprepa rmpepa mrpepa pemrpa epmrpa pmerpa mperpa emprpa meprpa remppa ermppa rmeppa mreppa emrppa merppa prepma rpepma perpma eprpma reppma erppma prpema rppema pprema pprema rppema prpema peprma epprma pperma pperma epprma peprma reppma erppma rpepma prepma eprpma perpma prmpea rpmpea pmrpea mprpea rmppea mrppea prpmea rppmea pprmea pprmea rppmea prpmea pmprea mpprea ppmrea ppmrea mpprea pmprea rmppea mrppea rpmpea prmpea mprpea pmrpea pempra epmpra pmepra mpepra emppra meppra pepmra eppmra ppemra ppemra eppmra pepmra pmpera mppera ppmera ppmera mppera pmpera emppra meppra epmpra pempra mpepra pmepra remppa ermppa rmeppa mreppa emrppa merppa repmpa erpmpa rpempa prempa eprmpa permpa rmpepa mrpepa rpmepa prmepa mprepa pmrepa emprpa meprpa epmrpa pemrpa mperpa pmerpa prampe rpampe parmpe aprmpe rapmpe arpmpe prmape rpmape pmrape mprape rmpape mrpape pamrpe apmrpe pmarpe mparpe amprpe maprpe ramppe armppe rmappe mrappe amrppe marppe prapme rpapme parpme aprpme rappme arppme prpame rppame pprame pprame rppame prpame paprme apprme pparme pparme apprme paprme rappme arppme rpapme prapme aprpme parpme prmpae rpmpae pmrpae mprpae rmppae mrppae prpmae rppmae pprmae pprmae rppmae prpmae pmprae mpprae ppmrae ppmrae mpprae pmprae rmppae mrppae rpmpae prmpae mprpae pmrpae pampre apmpre pmapre mpapre amppre mappre papmre appmre ppamre ppamre appmre papmre pmpare mppare ppmare ppmare mppare pmpare amppre mappre apmpre pampre mpapre pmapre ramppe armppe rmappe mrappe amrppe marppe rapmpe arpmpe rpampe prampe aprmpe parmpe rmpape mrpape rpmape prmape mprape pmrape amprpe maprpe apmrpe pamrpe mparpe pmarpe peampr epampr paempr apempr eapmpr aepmpr pemapr epmapr pmeapr mpeapr empapr mepapr pamepr apmepr pmaepr mpaepr ampepr mapepr eamppr aemppr emappr meappr ameppr maeppr peapmr epapmr paepmr apepmr eappmr aeppmr pepamr eppamr ppeamr ppeamr eppamr pepamr papemr appemr ppaemr ppaemr appemr papemr eappmr aeppmr epapmr peapmr apepmr paepmr pempar epmpar pmepar mpepar emppar meppar pepmar eppmar ppemar ppemar eppmar pepmar pmpear mppear ppmear ppmear mppear pmpear emppar meppar epmpar pempar mpepar pmepar pamper apmper pmaper mpaper ampper mapper papmer appmer ppamer ppamer appmer papmer pmpaer mppaer ppmaer ppmaer mppaer pmpaer ampper mapper apmper pamper mpaper pmaper eamppr aemppr emappr meappr ameppr maeppr eapmpr aepmpr epampr peampr apempr paempr empapr mepapr epmapr pemapr mpeapr pmeapr ampepr mapepr apmepr pamepr mpaepr pmaepr reampp erampp raempp arempp earmpp aermpp remapp ermapp rmeapp mreapp emrapp merapp ramepp armepp rmaepp mraepp amrepp marepp eamrpp aemrpp emarpp mearpp amerpp maerpp reapmp erapmp raepmp arepmp earpmp aerpmp repamp erpamp rpeamp preamp epramp peramp rapemp arpemp rpaemp praemp apremp paremp eaprmp aeprmp eparmp pearmp apermp paermp rempap ermpap rmepap mrepap emrpap merpap repmap erpmap rpemap premap eprmap permap rmpeap mrpeap rpmeap prmeap mpreap pmreap emprap meprap epmrap pemrap mperap pmerap rampep armpep rmapep mrapep amrpep marpep rapmep arpmep rpamep pramep aprmep parmep rmpaep mrpaep rpmaep prmaep mpraep pmraep amprep maprep apmrep pamrep mparep pmarep eamprp aemprp emaprp meaprp ameprp maeprp eapmrp aepmrp epamrp peamrp apemrp paemrp emparp meparp epmarp pemarp mpearp pmearp amperp maperp apmerp pamerp mpaerp pmaerp
Note: these 'words' (valid or invalid) are all the permutations of the word preamp. These words are obtained by scrambling the letters in preamp.