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: ['o', 'f', 'x', '239']

A: 2, 3, 9
****
Q: ['i', 'f', 'g', '267', '113', '93', 'r', '401', 'g', 'e']

A: 0, 1, 2, 3, 4, 6, 7, 9
****
Q: ['169', '75', '381', 'h', '317', '449', '147', 'e', '497']

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