lweis wleis lewis elwis welis ewlis lwies wlies liwes ilwes wiles iwles leiws eliws liews ilews eilws ielws weils ewils wiels iwels eiwls iewls lwesi wlesi lewsi elwsi welsi ewlsi lwsei wlsei lswei slwei wslei swlei leswi elswi lsewi slewi eslwi selwi wesli ewsli wseli sweli eswli sewli lwise wlise liwse ilwse wilse iwlse lwsie wlsie lswie slwie wslie swlie liswe ilswe lsiwe sliwe islwe silwe wisle iwsle wsile swile iswle siwle leisw elisw liesw ilesw eilsw ielsw lesiw elsiw lseiw sleiw esliw seliw lisew ilsew lsiew sliew islew silew eislw ieslw esilw seilw iselw sielw weisl ewisl wiesl iwesl eiwsl iewsl wesil ewsil wseil sweil eswil sewil wisel iwsel wsiel swiel iswel siwel eiswl ieswl esiwl seiwl isewl siewl
Note: these 'words' (valid or invalid) are all the permutations of the word lweis. These words are obtained by scrambling the letters in lweis.