Task: Program Execution
Input (English): k, 9, 2, k, s, N
Output (English): [['k', '9', '2', 'k', 's'], ['k', '9', '2', 'k', 'N'], ['k', '9', '2', 's', 'N'], ['k', '9', 'k', 's', 'N'], ['k', '2', 'k', 's', 'N'], ['9', '2', 'k', 's', 'N']]