Task: Program Execution
Input (English): 2, G, c, w, u
Output (English): [['2', 'G', 'c', 'w'], ['2', 'G', 'c', 'u'], ['2', 'G', 'w', 'u'], ['2', 'c', 'w', 'u'], ['G', 'c', 'w', 'u']]