Task: Program Execution
Input (English): K, 4, t, O, j, 7
Output (English): [['K', '4', 't', 'O', 'j'], ['K', '4', 't', 'O', '7'], ['K', '4', 't', 'j', '7'], ['K', '4', 'O', 'j', '7'], ['K', 't', 'O', 'j', '7'], ['4', 't', 'O', 'j', '7']]