tpmer ptmer tmper mtper pmter mpter tpemr ptemr tepmr etpmr petmr eptmr tmepr mtepr tempr etmpr metpr emtpr pmetr mpetr pemtr epmtr meptr emptr tpmre ptmre tmpre mtpre pmtre mptre tprme ptrme trpme rtpme prtme rptme tmrpe mtrpe trmpe rtmpe mrtpe rmtpe pmrte mprte prmte rpmte mrpte rmpte tperm pterm teprm etprm petrm eptrm tprem ptrem trpem rtpem prtem rptem terpm etrpm trepm rtepm ertpm retpm pertm eprtm pretm rpetm erptm reptm tmerp mterp temrp etmrp metrp emtrp tmrep mtrep trmep rtmep mrtep rmtep termp etrmp tremp rtemp ertmp retmp mertp emrtp mretp rmetp ermtp remtp pmert mpert pemrt epmrt meprt emprt pmret mpret prmet rpmet mrpet rmpet permt eprmt premt rpemt erpmt repmt merpt emrpt mrept rmept ermpt rempt
Note: these 'words' (valid or invalid) are all the permutations of the word tpmer. These words are obtained by scrambling the letters in tpmer.