Task: Program Execution
Input (English): k, t, 5, Z, 7, y
Output (English): [['k', 't', '5', 'Z', '7'], ['k', 't', '5', 'Z', 'y'], ['k', 't', '5', '7', 'y'], ['k', 't', 'Z', '7', 'y'], ['k', '5', 'Z', '7', 'y'], ['t', '5', 'Z', '7', 'y']]