Task: Program Execution
Input (English): 3, o, x, 1, 8, 7
Output (English): [['3', 'o', 'x', '1', '8'], ['3', 'o', 'x', '1', '7'], ['3', 'o', 'x', '8', '7'], ['3', 'o', '1', '8', '7'], ['3', 'x', '1', '8', '7'], ['o', 'x', '1', '8', '7']]