Task: Program Execution
Input (English): X, R, m, 4, A, o, 7
Output (English): [['X', 'R', 'm', '4', 'A', 'o'], ['X', 'R', 'm', '4', 'A', '7'], ['X', 'R', 'm', '4', 'o', '7'], ['X', 'R', 'm', 'A', 'o', '7'], ['X', 'R', '4', 'A', 'o', '7'], ['X', 'm', '4', 'A', 'o', '7'], ['R', 'm', '4', 'A', 'o', '7']]