Task: Program Execution
Input (English): tiLyRkbpghZQbocJbHFhYGvGuKTnXLziYctxlf, uLMPZDoCZtBRghZQbocJbHFhYGvEACmW
Output (English): b, c, f, g, h, i, j, k, l, n, o, p, q, r, t, u, v, x, y, z