Task: Program Execution
Input (English): f, T, K, 2, A, 4
Output (English): [['f', 'T', 'K', '2', 'A'], ['f', 'T', 'K', '2', '4'], ['f', 'T', 'K', 'A', '4'], ['f', 'T', '2', 'A', '4'], ['f', 'K', '2', 'A', '4'], ['T', 'K', '2', 'A', '4']]