Task: Program Execution
Input (English): z, 0, 8, h, 0, k, S
Output (English): [['z', '0', '8', 'h', '0', 'k'], ['z', '0', '8', 'h', '0', 'S'], ['z', '0', '8', 'h', 'k', 'S'], ['z', '0', '8', '0', 'k', 'S'], ['z', '0', 'h', '0', 'k', 'S'], ['z', '8', 'h', '0', 'k', 'S'], ['0', '8', 'h', '0', 'k', 'S']]