Task: Program Execution
Input (English): N, 8, E, 3, 8, 3
Output (English): [['N', '8', 'E', '3', '8'], ['N', '8', 'E', '3', '3'], ['N', '8', 'E', '8', '3'], ['N', '8', '3', '8', '3'], ['N', 'E', '3', '8', '3'], ['8', 'E', '3', '8', '3']]