ewhow wehow ehwow hewow wheow hweow ewohw weohw eowhw oewhw woehw owehw ehoww heoww eohww oehww hoeww oheww whoew hwoew wohew owhew howew ohwew ewhwo wehwo ehwwo hewwo whewo hwewo ewwho wewho ewwho wewho wweho wweho ehwwo hewwo ewhwo wehwo hwewo whewo whweo hwweo wwheo wwheo hwweo whweo ewowh weowh eowwh oewwh woewh owewh ewwoh wewoh ewwoh wewoh wweoh wweoh eowwh oewwh ewowh weowh owewh woewh woweh owweh wwoeh wwoeh owweh woweh ehoww heoww eohww oehww hoeww oheww ehwow hewow ewhow wehow hweow wheow eowhw oewhw ewohw weohw owehw woehw howew ohwew hwoew whoew owhew wohew whowe hwowe wohwe owhwe howwe ohwwe whwoe hwwoe wwhoe wwhoe hwwoe whwoe wowhe owwhe wwohe wwohe owwhe wowhe howwe ohwwe hwowe whowe owhwe wohwe
Note: these 'words' (valid or invalid) are all the permutations of the word ewhow. These words are obtained by scrambling the letters in ewhow.