Task: Program Execution
Input (English): W, M, c, Z, 9, A, S
Output (English): [['W', 'M', 'c', 'Z', '9', 'A'], ['W', 'M', 'c', 'Z', '9', 'S'], ['W', 'M', 'c', 'Z', 'A', 'S'], ['W', 'M', 'c', '9', 'A', 'S'], ['W', 'M', 'Z', '9', 'A', 'S'], ['W', 'c', 'Z', '9', 'A', 'S'], ['M', 'c', 'Z', '9', 'A', 'S']]