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: ['w', 'p', 'r', 'v', 'd']

A: -1
****
Q: ['d', '335', '23', '461', '497', 'p', '313']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['347', '189', 'd', 'm', 'h', 'k', 'm', '345', '191', '303', '37', '369']

A:
0, 1, 3, 4, 5, 6, 7, 8, 9
****