wepls ewpls wpels pwels epwls pewls welps ewlps wleps lweps elwps lewps wples pwles wlpes lwpes plwes lpwes eplws pelws elpws lepws plews lpews wepsl ewpsl wpesl pwesl epwsl pewsl wespl ewspl wsepl swepl eswpl sewpl wpsel pwsel wspel swpel pswel spwel epswl peswl espwl sepwl psewl spewl welsp ewlsp wlesp lwesp elwsp lewsp weslp ewslp wselp swelp eswlp sewlp wlsep lwsep wslep swlep lswep slwep elswp leswp eslwp selwp lsewp slewp wplse pwlse wlpse lwpse plwse lpwse wpsle pwsle wsple swple pswle spwle wlspe lwspe wslpe swlpe lswpe slwpe plswe lpswe pslwe splwe lspwe slpwe eplsw pelsw elpsw lepsw plesw lpesw epslw peslw esplw seplw pselw spelw elspw lespw eslpw selpw lsepw slepw plsew lpsew pslew splew lspew slpew
Note: these 'words' (valid or invalid) are all the permutations of the word wepls. These words are obtained by scrambling the letters in wepls.