Task: Program Execution
Input (English): M, 2, T, 8, k, 1
Output (English): [['M', '2', 'T', '8', 'k'], ['M', '2', 'T', '8', '1'], ['M', '2', 'T', 'k', '1'], ['M', '2', '8', 'k', '1'], ['M', 'T', '8', 'k', '1'], ['2', 'T', '8', 'k', '1']]