vrows rvows vorws ovrws rovws orvws vrwos rvwos vwros wvros rwvos wrvos vowrs ovwrs vwors wvors owvrs wovrs rowvs orwvs rwovs wrovs owrvs worvs vrosw rvosw vorsw ovrsw rovsw orvsw vrsow rvsow vsrow svrow rsvow srvow vosrw ovsrw vsorw svorw osvrw sovrw rosvw orsvw rsovw srovw osrvw sorvw vrwso rvwso vwrso wvrso rwvso wrvso vrswo rvswo vsrwo svrwo rsvwo srvwo vwsro wvsro vswro svwro wsvro swvro rwsvo wrsvo rswvo srwvo wsrvo swrvo vowsr ovwsr vwosr wvosr owvsr wovsr voswr ovswr vsowr svowr osvwr sovwr vwsor wvsor vswor svwor wsvor swvor owsvr wosvr oswvr sowvr wsovr swovr rowsv orwsv rwosv wrosv owrsv worsv roswv orswv rsowv srowv osrwv sorwv rwsov wrsov rswov srwov wsrov swrov owsrv wosrv oswrv sowrv wsorv sworv
Note: these 'words' (valid or invalid) are all the permutations of the word vrows. These words are obtained by scrambling the letters in vrows.