Task: Program Execution
Input (English): u, 7, n, j, c, Y, 0
Output (English): [['u', '7', 'n', 'j', 'c', 'Y'], ['u', '7', 'n', 'j', 'c', '0'], ['u', '7', 'n', 'j', 'Y', '0'], ['u', '7', 'n', 'c', 'Y', '0'], ['u', '7', 'j', 'c', 'Y', '0'], ['u', 'n', 'j', 'c', 'Y', '0'], ['7', 'n', 'j', 'c', 'Y', '0']]