lepmu elpmu lpemu plemu eplmu pelmu lempu elmpu lmepu mlepu emlpu melpu lpmeu plmeu lmpeu mlpeu pmleu mpleu epmlu pemlu emplu meplu pmelu mpelu lepum elpum lpeum pleum eplum pelum leupm elupm luepm ulepm eulpm uelpm lpuem pluem lupem ulpem pulem uplem epulm peulm euplm ueplm puelm upelm lemup elmup lmeup mleup emlup melup leump elump luemp ulemp eulmp uelmp lmuep mluep lumep ulmep mulep umlep emulp meulp eumlp uemlp muelp umelp lpmue plmue lmpue mlpue pmlue mplue lpume plume lupme ulpme pulme uplme lmupe mlupe lumpe ulmpe mulpe umlpe pmule mpule pumle upmle muple umple epmul pemul empul mepul pmeul mpeul epuml peuml eupml uepml pueml upeml emupl meupl eumpl uempl muepl umepl pmuel mpuel pumel upmel mupel umpel
Note: these 'words' (valid or invalid) are all the permutations of the word lepmu. These words are obtained by scrambling the letters in lepmu.