pulse uplse pluse lpuse ulpse lupse pusle upsle psule spule usple suple plsue lpsue pslue splue lspue slpue ulspe luspe uslpe sulpe lsupe slupe pules uples plues lpues ulpes lupes puels upels peuls epuls uepls eupls pleus lpeus pelus eplus lepus elpus uleps lueps uelps eulps leups elups pusel upsel psuel spuel uspel supel puesl upesl peusl epusl uepsl eupsl pseul speul pesul epsul sepul espul usepl suepl uespl euspl seupl esupl plseu lpseu psleu spleu lspeu slpeu plesu lpesu pelsu eplsu lepsu elpsu pselu spelu peslu epslu seplu esplu lsepu slepu lespu elspu selpu eslpu ulsep lusep uslep sulep lsuep sluep ulesp luesp uelsp eulsp leusp elusp uselp suelp ueslp euslp seulp esulp lseup sleup lesup elsup selup eslup
Note: these 'words' (valid or invalid) are all the permutations of the word pulse. These words are obtained by scrambling the letters in pulse.