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: ['499', 'k', '207', '317', '445', '87', 'l', '165', 'z']

0, 1, 2, 3, 4, 5, 6, 7, 8, 9