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.

Example Input: ['489', 'y', 's', 'x', '203', 't', 'y', '461', 'v', 'k', '371', 'e']
Example Output: 0, 1, 2, 3, 4, 6, 7, 8, 9

Example Input: ['159', '3', 'f', 'k', 'o', 'm']
Example Output: 1, 3, 5, 9

Example Input: ['y', '493', 't', 'o', 'g']
Example Output:
3, 4, 9