mprets pmrets mrpets rmpets prmets rpmets mperts pmerts meprts emprts pemrts epmrts mrepts rmepts merpts emrpts rempts ermpts premts rpemts permts eprmts repmts erpmts mprtes pmrtes mrptes rmptes prmtes rpmtes mptres pmtres mtpres tmpres ptmres tpmres mrtpes rmtpes mtrpes tmrpes rtmpes trmpes prtmes rptmes ptrmes tprmes rtpmes trpmes mpetrs pmetrs meptrs emptrs pemtrs epmtrs mpters pmters mtpers tmpers ptmers tpmers metprs emtprs mteprs tmeprs etmprs temprs petmrs eptmrs ptemrs tpemrs etpmrs tepmrs mretps rmetps mertps emrtps remtps ermtps mrteps rmteps mtreps tmreps rtmeps trmeps metrps emtrps mterps tmerps etmrps temrps retmps ertmps rtemps tremps etrmps termps pretms rpetms pertms eprtms reptms erptms prtems rptems ptrems tprems rtpems trpems petrms eptrms pterms tperms etprms teprms retpms ertpms rtepms trepms etrpms terpms mprest pmrest mrpest rmpest prmest rpmest mperst pmerst meprst emprst pemrst epmrst mrepst rmepst merpst emrpst rempst ermpst premst rpemst permst eprmst repmst erpmst mprset pmrset mrpset rmpset prmset rpmset mpsret pmsret mspret smpret psmret spmret mrspet rmspet msrpet smrpet rsmpet srmpet prsmet rpsmet psrmet sprmet rspmet srpmet mpesrt pmesrt mepsrt empsrt pemsrt epmsrt mpsert pmsert mspert smpert psmert spmert mesprt emsprt mseprt smeprt esmprt semprt pesmrt epsmrt psemrt spemrt espmrt sepmrt mrespt rmespt merspt emrspt remspt ermspt mrsept rmsept msrept smrept rsmept srmept mesrpt emsrpt mserpt smerpt esmrpt semrpt resmpt ersmpt rsempt srempt esrmpt sermpt presmt rpesmt persmt eprsmt repsmt erpsmt prsemt rpsemt psremt spremt rspemt srpemt pesrmt epsrmt psermt spermt esprmt seprmt respmt erspmt rsepmt srepmt esrpmt serpmt mprtse pmrtse mrptse rmptse prmtse rpmtse mptrse pmtrse mtprse tmprse ptmrse tpmrse mrtpse rmtpse mtrpse tmrpse rtmpse trmpse prtmse rptmse ptrmse tprmse rtpmse trpmse mprste pmrste mrpste rmpste prmste rpmste mpsrte pmsrte msprte smprte psmrte spmrte mrspte rmspte msrpte smrpte rsmpte srmpte prsmte rpsmte psrmte sprmte rspmte srpmte mptsre pmtsre mtpsre tmpsre ptmsre tpmsre mpstre pmstre msptre smptre psmtre spmtre mtspre tmspre mstpre smtpre tsmpre stmpre ptsmre tpsmre pstmre sptmre tspmre stpmre mrtspe rmtspe mtrspe tmrspe rtmspe trmspe mrstpe rmstpe msrtpe smrtpe rsmtpe srmtpe mtsrpe tmsrpe mstrpe smtrpe tsmrpe stmrpe rtsmpe trsmpe rstmpe srtmpe tsrmpe strmpe prtsme rptsme ptrsme tprsme rtpsme trpsme prstme rpstme psrtme sprtme rsptme srptme ptsrme tpsrme pstrme sptrme tsprme stprme rtspme trspme rstpme srtpme tsrpme strpme mpetsr pmetsr meptsr emptsr pemtsr epmtsr mptesr pmtesr mtpesr tmpesr ptmesr tpmesr metpsr emtpsr mtepsr tmepsr etmpsr tempsr petmsr eptmsr ptemsr tpemsr etpmsr tepmsr mpestr pmestr mepstr empstr pemstr epmstr mpsetr pmsetr mspetr smpetr psmetr spmetr mesptr emsptr mseptr smeptr esmptr semptr pesmtr epsmtr psemtr spemtr espmtr sepmtr mptser pmtser mtpser tmpser ptmser tpmser mpster pmster mspter smpter psmter spmter mtsper tmsper mstper smtper tsmper stmper ptsmer tpsmer pstmer sptmer tspmer stpmer metspr emtspr mtespr tmespr etmspr temspr mestpr emstpr msetpr smetpr esmtpr semtpr mtsepr tmsepr mstepr smtepr tsmepr stmepr etsmpr tesmpr estmpr setmpr tsempr stempr petsmr eptsmr ptesmr tpesmr etpsmr tepsmr pestmr epstmr psetmr spetmr esptmr septmr ptsemr tpsemr pstemr sptemr tspemr stpemr etspmr tespmr estpmr setpmr tsepmr stepmr mretsp rmetsp mertsp emrtsp remtsp ermtsp mrtesp rmtesp mtresp tmresp rtmesp trmesp metrsp emtrsp mtersp tmersp etmrsp temrsp retmsp ertmsp rtemsp tremsp etrmsp termsp mrestp rmestp merstp emrstp remstp ermstp mrsetp rmsetp msretp smretp rsmetp srmetp mesrtp emsrtp msertp smertp esmrtp semrtp resmtp ersmtp rsemtp sremtp esrmtp sermtp mrtsep rmtsep mtrsep tmrsep rtmsep trmsep mrstep rmstep msrtep smrtep rsmtep srmtep mtsrep tmsrep mstrep smtrep tsmrep stmrep rtsmep trsmep rstmep srtmep tsrmep strmep metsrp emtsrp mtesrp tmesrp etmsrp temsrp mestrp emstrp msetrp smetrp esmtrp semtrp mtserp tmserp msterp smterp tsmerp stmerp etsmrp tesmrp estmrp setmrp tsemrp stemrp retsmp ertsmp rtesmp tresmp etrsmp tersmp restmp erstmp rsetmp sretmp esrtmp sertmp rtsemp trsemp rstemp srtemp tsremp stremp etsrmp tesrmp estrmp setrmp tsermp stermp pretsm rpetsm pertsm eprtsm reptsm erptsm prtesm rptesm ptresm tpresm rtpesm trpesm petrsm eptrsm ptersm tpersm etprsm teprsm retpsm ertpsm rtepsm trepsm etrpsm terpsm prestm rpestm perstm eprstm repstm erpstm prsetm rpsetm psretm spretm rspetm srpetm pesrtm epsrtm psertm spertm esprtm seprtm resptm ersptm rseptm sreptm esrptm serptm prtsem rptsem ptrsem tprsem rtpsem trpsem prstem rpstem psrtem sprtem rsptem srptem ptsrem tpsrem pstrem sptrem tsprem stprem rtspem trspem rstpem srtpem tsrpem strpem petsrm eptsrm ptesrm tpesrm etpsrm tepsrm pestrm epstrm psetrm spetrm esptrm septrm ptserm tpserm psterm spterm tsperm stperm etsprm tesprm estprm setprm tseprm steprm retspm ertspm rtespm trespm etrspm terspm restpm erstpm rsetpm sretpm esrtpm sertpm rtsepm trsepm rstepm srtepm tsrepm strepm etsrpm tesrpm estrpm setrpm tserpm sterpm
Note: these 'words' (valid or invalid) are all the permutations of the word mprets. These words are obtained by scrambling the letters in mprets.