Task: Program Execution
Input (English): 4, T, x, 5, 7, z
Output (English): [['4', 'T', 'x', '5', '7'], ['4', 'T', 'x', '5', 'z'], ['4', 'T', 'x', '7', 'z'], ['4', 'T', '5', '7', 'z'], ['4', 'x', '5', '7', 'z'], ['T', 'x', '5', '7', 'z']]