potts optts ptots tpots otpts topts potts optts ptots tpots otpts topts pttos tptos pttos tptos ttpos ttpos ottps totps ottps totps ttops ttops potst optst ptost tpost otpst topst postt opstt psott spott osptt soptt ptsot tpsot pstot sptot tspot stpot otspt tospt ostpt sotpt tsopt stopt potst optst ptost tpost otpst topst postt opstt psott spott osptt soptt ptsot tpsot pstot sptot tspot stpot otspt tospt ostpt sotpt tsopt stopt pttso tptso pttso tptso ttpso ttpso ptsto tpsto pstto sptto tspto stpto ptsto tpsto pstto sptto tspto stpto ttspo ttspo tstpo sttpo tstpo sttpo ottsp totsp ottsp totsp ttosp ttosp otstp tostp osttp sottp tsotp stotp otstp tostp osttp sottp tsotp stotp ttsop ttsop tstop sttop tstop sttop
Note: these 'words' (valid or invalid) are all the permutations of the word potts. These words are obtained by scrambling the letters in potts.