skews ksews sekws eskws kesws eksws skwes kswes swkes wskes kwses wkses sewks eswks sweks wseks ewsks wesks kewss ekwss kwess wkess ewkss wekss skesw ksesw seksw esksw kessw ekssw sksew kssew sskew sskew kssew sksew seskw esskw ssekw ssekw esskw seskw kessw ekssw ksesw skesw esksw seksw skwse kswse swkse wskse kwsse wksse skswe ksswe sskwe sskwe ksswe skswe swske wsske sswke sswke wsske swske kwsse wksse kswse skwse wskse swkse sewsk eswsk swesk wsesk ewssk wessk seswk esswk ssewk ssewk esswk seswk swsek wssek sswek sswek wssek swsek ewssk wessk eswsk sewsk wsesk swesk kewss ekwss kwess wkess ewkss wekss kesws eksws ksews skews eskws sekws kwses wkses kswes skwes wskes swkes ewsks wesks eswks sewks wseks sweks
Note: these 'words' (valid or invalid) are all the permutations of the word skews. These words are obtained by scrambling the letters in skews.