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: ['d', 'x', 'b', 's', 'z', '241', '221', '445', 'v', '397', 'q', 'u']

1, 2, 3, 4, 5, 7, 9