sssop sssop sssop sssop sssop sssop ssosp ssosp sossp osssp sossp osssp ssosp ssosp sossp osssp sossp osssp ssosp ssosp sossp osssp sossp osssp ssspo ssspo ssspo ssspo ssspo ssspo sspso sspso spsso pssso spsso pssso sspso sspso spsso pssso spsso pssso sspso sspso spsso pssso spsso pssso ssops ssops sosps ossps sosps ossps sspos sspos spsos pssos spsos pssos sopss ospss sposs psoss opsss posss sopss ospss sposs psoss opsss posss ssops ssops sosps ossps sosps ossps sspos sspos spsos pssos spsos pssos sopss ospss sposs psoss opsss posss sopss ospss sposs psoss opsss posss ssops ssops sosps ossps sosps ossps sspos sspos spsos pssos spsos pssos sopss ospss sposs psoss opsss posss sopss ospss sposs psoss opsss posss
Note: these 'words' (valid or invalid) are all the permutations of the word sssop. These words are obtained by scrambling the letters in sssop.