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: ['11', 'd', '337', 's', 'g', '409', 'b', '425', '67']

0, 1, 2, 3, 4, 5, 6, 7, 9