rorts orrts rrots rrots orrts rorts rotrs ortrs rtors trors otrrs torrs rrtos rrtos rtros trros rtros trros ortrs rotrs otrrs torrs rtors trors rorst orrst rrost rrost orrst rorst rosrt orsrt rsort srort osrrt sorrt rrsot rrsot rsrot srrot rsrot srrot orsrt rosrt osrrt sorrt rsort srort rotsr ortsr rtosr trosr otrsr torsr rostr orstr rsotr srotr osrtr sortr rtsor trsor rstor srtor tsror stror otsrr tosrr ostrr sotrr tsorr storr rrtso rrtso rtrso trrso rtrso trrso rrsto rrsto rsrto srrto rsrto srrto rtsro trsro rstro srtro tsrro strro rtsro trsro rstro srtro tsrro strro ortsr rotsr otrsr torsr rtosr trosr orstr rostr osrtr sortr rsotr srotr otsrr tosrr ostrr sotrr tsorr storr rtsor trsor rstor srtor tsror stror
Note: these 'words' (valid or invalid) are all the permutations of the word rorts. These words are obtained by scrambling the letters in rorts.