wownd owwnd wwond wwond owwnd wownd wonwd ownwd wnowd nwowd onwwd nowwd wwnod wwnod wnwod nwwod wnwod nwwod ownwd wonwd onwwd nowwd wnowd nwowd wowdn owwdn wwodn wwodn owwdn wowdn wodwn owdwn wdown dwown odwwn dowwn wwdon wwdon wdwon dwwon wdwon dwwon owdwn wodwn odwwn dowwn wdown dwown wondw owndw wnodw nwodw onwdw nowdw wodnw owdnw wdonw dwonw odwnw downw wndow nwdow wdnow dwnow ndwow dnwow ondww nodww odnww donww ndoww dnoww wwndo wwndo wnwdo nwwdo wnwdo nwwdo wwdno wwdno wdwno dwwno wdwno dwwno wndwo nwdwo wdnwo dwnwo ndwwo dnwwo wndwo nwdwo wdnwo dwnwo ndwwo dnwwo owndw wondw onwdw nowdw wnodw nwodw owdnw wodnw odwnw downw wdonw dwonw ondww nodww odnww donww ndoww dnoww wndow nwdow wdnow dwnow ndwow dnwow
Note: these 'words' (valid or invalid) are all the permutations of the word wownd. These words are obtained by scrambling the letters in wownd.