hexed ehxed hxeed xheed exhed xehed heexd ehexd heexd ehexd eehxd eehxd hxeed xheed hexed ehxed xehed exhed exehd xeehd eexhd eexhd xeehd exehd hexde ehxde hxede xhede exhde xehde hedxe ehdxe hdexe dhexe edhxe dehxe hxdee xhdee hdxee dhxee xdhee dxhee exdhe xedhe edxhe dexhe xdehe dxehe heedx ehedx heedx ehedx eehdx eehdx hedex ehdex hdeex dheex edhex dehex hedex ehdex hdeex dheex edhex dehex eedhx eedhx edehx deehx edehx deehx hxede xhede hexde ehxde xehde exhde hxdee xhdee hdxee dhxee xdhee dxhee hedxe ehdxe hdexe dhexe edhxe dehxe xedhe exdhe xdehe dxehe edxhe dexhe exedh xeedh eexdh eexdh xeedh exedh exdeh xedeh edxeh dexeh xdeeh dxeeh eedxh eedxh edexh deexh edexh deexh xedeh exdeh xdeeh dxeeh edxeh dexeh
Note: these 'words' (valid or invalid) are all the permutations of the word hexed. These words are obtained by scrambling the letters in hexed.