mvule vmule muvle umvle vumle uvmle mvlue vmlue mlvue lmvue vlmue lvmue mulve umlve mluve lmuve ulmve lumve vulme uvlme vlume lvume ulvme luvme mvuel vmuel muvel umvel vumel uvmel mveul vmeul mevul emvul vemul evmul muevl umevl meuvl emuvl uemvl eumvl vueml uveml veuml evuml uevml euvml mvleu vmleu mlveu lmveu vlmeu lvmeu mvelu vmelu mevlu emvlu vemlu evmlu mlevu lmevu melvu emlvu lemvu elmvu vlemu lvemu velmu evlmu levmu elvmu mulev umlev mluev lmuev ulmev lumev muelv umelv meulv emulv uemlv eumlv mleuv lmeuv meluv emluv lemuv elmuv ulemv luemv uelmv eulmv leumv elumv vulem uvlem vluem lvuem ulvem luvem vuelm uvelm veulm evulm uevlm euvlm vleum lveum velum evlum levum elvum ulevm luevm uelvm eulvm leuvm eluvm
Note: these 'words' (valid or invalid) are all the permutations of the word mvule. These words are obtained by scrambling the letters in mvule.