slews lsews selws eslws lesws elsws slwes lswes swles wsles lwses wlses sewls eswls swels wsels ewsls wesls lewss elwss lwess wless ewlss welss slesw lsesw selsw eslsw lessw elssw slsew lssew sslew sslew lssew slsew seslw esslw sselw sselw esslw seslw lessw elssw lsesw slesw eslsw selsw slwse lswse swlse wslse lwsse wlsse slswe lsswe sslwe sslwe lsswe slswe swsle wssle sswle sswle wssle swsle lwsse wlsse lswse slwse wslse swlse sewsl eswsl swesl wsesl ewssl wessl seswl esswl ssewl ssewl esswl seswl swsel wssel sswel sswel wssel swsel ewssl wessl eswsl sewsl wsesl swesl lewss elwss lwess wless ewlss welss lesws elsws lsews slews eslws selws lwses wlses lswes slwes wsles swles ewsls wesls eswls sewls wsels swels
Note: these 'words' (valid or invalid) are all the permutations of the word slews. These words are obtained by scrambling the letters in slews.