spews psews sepws espws pesws epsws spwes pswes swpes wspes pwses wpses sewps eswps sweps wseps ewsps wesps pewss epwss pwess wpess ewpss wepss spesw psesw sepsw espsw pessw epssw spsew pssew sspew sspew pssew spsew sespw esspw ssepw ssepw esspw sespw pessw epssw psesw spesw espsw sepsw spwse pswse swpse wspse pwsse wpsse spswe psswe sspwe sspwe psswe spswe swspe wsspe sswpe sswpe wsspe swspe pwsse wpsse pswse spwse wspse swpse sewsp eswsp swesp wsesp ewssp wessp seswp esswp ssewp ssewp esswp seswp swsep wssep sswep sswep wssep swsep ewssp wessp eswsp sewsp wsesp swesp pewss epwss pwess wpess ewpss wepss pesws epsws psews spews espws sepws pwses wpses pswes spwes wspes swpes ewsps wesps eswps sewps wseps sweps
Note: these 'words' (valid or invalid) are all the permutations of the word spews. These words are obtained by scrambling the letters in spews.