Task: Program Execution
Input (English): p, M, 6, c, e, C
Output (English): [['p', 'M', '6', 'c', 'e'], ['p', 'M', '6', 'c', 'C'], ['p', 'M', '6', 'e', 'C'], ['p', 'M', 'c', 'e', 'C'], ['p', '6', 'c', 'e', 'C'], ['M', '6', 'c', 'e', 'C']]