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: ['a', 'v', '35', '235', '405', 'v', '25', '149', '319', 'x', 'm']

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