saqo asqo sqao qsao aqso qaso saoq asoq soaq osaq aosq oasq sqoa qsoa soqa osqa qosa oqsa aqos qaos aoqs oaqs qoas oqas
Note: these 'words' (valid or invalid) are all the permutations of the word saqo. These words are obtained by scrambling the letters in saqo.