worss owrss wross rwoss orwss rowss wosrs owsrs wsors swors oswrs sowrs wrsos rwsos wsros swros rswos srwos orsws rosws osrws sorws rsows srows worss owrss wross rwoss orwss rowss wosrs owsrs wsors swors oswrs sowrs wrsos rwsos wsros swros rswos srwos orsws rosws osrws sorws rsows srows wossr owssr wsosr swosr oswsr sowsr wossr owssr wsosr swosr oswsr sowsr wssor swsor wssor swsor sswor sswor osswr soswr osswr soswr ssowr ssowr wrsso rwsso wsrso swrso rswso srwso wrsso rwsso wsrso swrso rswso srwso wssro swsro wssro swsro sswro sswro rsswo srswo rsswo srswo ssrwo ssrwo orssw rossw osrsw sorsw rsosw srosw orssw rossw osrsw sorsw rsosw srosw ossrw sosrw ossrw sosrw ssorw ssorw rssow srsow rssow srsow ssrow ssrow
Note: these 'words' (valid or invalid) are all the permutations of the word worss. These words are obtained by scrambling the letters in worss.