Task: Program Execution
Input (English): t, K, 7, V, 1, 5
Output (English): [['t', 'K', '7', 'V', '1'], ['t', 'K', '7', 'V', '5'], ['t', 'K', '7', '1', '5'], ['t', 'K', 'V', '1', '5'], ['t', '7', 'V', '1', '5'], ['K', '7', 'V', '1', '5']]