rwocs wrocs rowcs orwcs worcs owrcs rwcos wrcos rcwos crwos wcros cwros rocws orcws rcows crows ocrws corws wocrs owcrs wcors cwors ocwrs cowrs rwosc wrosc rowsc orwsc worsc owrsc rwsoc wrsoc rswoc srwoc wsroc swroc roswc orswc rsowc srowc osrwc sorwc wosrc owsrc wsorc sworc oswrc sowrc rwcso wrcso rcwso crwso wcrso cwrso rwsco wrsco rswco srwco wsrco swrco rcswo crswo rscwo srcwo csrwo scrwo wcsro cwsro wscro swcro cswro scwro rocsw orcsw rcosw crosw ocrsw corsw roscw orscw rsocw srocw osrcw sorcw rcsow crsow rscow srcow csrow scrow ocsrw cosrw oscrw socrw csorw scorw wocsr owcsr wcosr cwosr ocwsr cowsr woscr owscr wsocr swocr oswcr sowcr wcsor cwsor wscor swcor cswor scwor ocswr coswr oscwr socwr csowr scowr
Note: these 'words' (valid or invalid) are all the permutations of the word rwocs. These words are obtained by scrambling the letters in rwocs.