frepm rfepm ferpm efrpm refpm erfpm frpem rfpem fprem pfrem rpfem prfem feprm efprm fperm pferm epfrm pefrm repfm erpfm rpefm prefm eprfm perfm fremp rfemp fermp efrmp refmp erfmp frmep rfmep fmrep mfrep rmfep mrfep femrp efmrp fmerp mferp emfrp mefrp remfp ermfp rmefp mrefp emrfp merfp frpme rfpme fprme pfrme rpfme prfme frmpe rfmpe fmrpe mfrpe rmfpe mrfpe fpmre pfmre fmpre mfpre pmfre mpfre rpmfe prmfe rmpfe mrpfe pmrfe mprfe fepmr efpmr fpemr pfemr epfmr pefmr fempr efmpr fmepr mfepr emfpr mefpr fpmer pfmer fmper mfper pmfer mpfer epmfr pemfr empfr mepfr pmefr mpefr repmf erpmf rpemf premf eprmf permf rempf ermpf rmepf mrepf emrpf merpf rpmef prmef rmpef mrpef pmref mpref epmrf pemrf emprf meprf pmerf mperf
Note: these 'words' (valid or invalid) are all the permutations of the word frepm. These words are obtained by scrambling the letters in frepm.