Task: Program Execution
Input (English): u, e, 1, 7, T, 6
Output (English): [['u', 'e', '1', '7', 'T'], ['u', 'e', '1', '7', '6'], ['u', 'e', '1', 'T', '6'], ['u', 'e', '7', 'T', '6'], ['u', '1', '7', 'T', '6'], ['e', '1', '7', 'T', '6']]