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