plump lpump pulmp uplmp lupmp ulpmp plmup lpmup pmlup mplup lmpup mlpup pumlp upmlp pmulp mpulp umplp muplp lumpp ulmpp lmupp mlupp umlpp mulpp plupm lpupm pulpm uplpm luppm ulppm plpum lppum pplum pplum lppum plpum puplm upplm ppulm ppulm upplm puplm luppm ulppm lpupm plupm uplpm pulpm plmpu lpmpu pmlpu mplpu lmppu mlppu plpmu lppmu pplmu pplmu lppmu plpmu pmplu mpplu ppmlu ppmlu mpplu pmplu lmppu mlppu lpmpu plmpu mplpu pmlpu pumpl upmpl pmupl mpupl umppl muppl pupml uppml ppuml ppuml uppml pupml pmpul mppul ppmul ppmul mppul pmpul umppl muppl upmpl pumpl mpupl pmupl lumpp ulmpp lmupp mlupp umlpp mulpp lupmp ulpmp lpump plump uplmp pulmp lmpup mlpup lpmup plmup mplup pmlup umplp muplp upmlp pumlp mpulp pmulp
Note: these 'words' (valid or invalid) are all the permutations of the word plump. These words are obtained by scrambling the letters in plump.