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: ['q', '31', 'a', 'd', '53', '85', 'p', '77']
Example solution: 1, 3, 5, 7, 8
Example explanation: Here, the numbers in the list are '31', '53', '85' and '77', and the unique digits used in the list are '1, 3, 5, 7, 8' in ascending order.

Problem: ['85', '101', 'j', 'g', 'o', 'f', 'w', 'o', 'm', '45', 'e', 'z']

Solution: 0, 1, 4, 5, 8