shlep hslep slhep lshep hlsep lhsep shelp hselp sehlp eshlp heslp ehslp slehp lsehp selhp eslhp leshp elshp hlesp lhesp helsp ehlsp lehsp elhsp shlpe hslpe slhpe lshpe hlspe lhspe shple hsple sphle pshle hpsle phsle slphe lsphe splhe pslhe lpshe plshe hlpse lhpse hplse phlse lphse plhse shepl hsepl sehpl eshpl hespl ehspl shpel hspel sphel pshel hpsel phsel sephl esphl spehl psehl epshl peshl hepsl ehpsl hpesl phesl ephsl pehsl sleph lseph selph eslph lesph elsph slpeh lspeh spleh psleh lpseh plseh seplh esplh spelh pselh epslh peslh lepsh elpsh lpesh plesh eplsh pelsh hleps lheps helps ehlps lehps elhps hlpes lhpes hples phles lphes plhes hepls ehpls hpels phels ephls pehls lephs elphs lpehs plehs eplhs pelhs
Note: these 'words' (valid or invalid) are all the permutations of the word shlep. These words are obtained by scrambling the letters in shlep.