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: ['407', 'a', 'l', '307', 'a']

A: 0, 3, 4, 7
****
Q: ['13', 'p', '427', 's', 'x', 'x', '43', 'h', 'j', 'z', '21']

A: 1, 2, 3, 4, 7
****
Q: ['341', '185', 'n', 'v', 'd', 'e', 'e', 'd', '461']

A:
1, 3, 4, 5, 6, 8
****