squo qsuo suqo usqo quso uqso sqou qsou soqu osqu qosu oqsu suoq usoq souq osuq uosq ousq quos uqos qous oqus uoqs ouqs
Note: these 'words' (valid or invalid) are all the permutations of the word squo. These words are obtained by scrambling the letters in squo.