Definition: In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
Input: ['79', 'u', 'k', 'n', 'q', '287', 'l', 'd', '417', '469', '133']

1, 2, 3, 4, 6, 7, 8, 9