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.

Q: ['q', 'a', '149']

A: 1, 4, 9
****
Q: ['j', '259', 'r', '363', '149', 's', 'p', 'l', '271', '93', '205', 's', 'r', 'v', 'z']

A: 0, 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['t', 'q', '45']

A:
4, 5
****