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: ['x', 's', '497', '239', '197', '191', '7', 'h', '191', '281', '55', '317', '407', '201', 'v']

A: 0, 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['n', '319', 's', '325', '177', '161', '43', 'g', 'o', '59', 'w', 'y', 'g', 'm']

A: 1, 2, 3, 4, 5, 6, 7, 9
****
Q: ['73', 'q', '267', 'b']

A:
2, 3, 6, 7
****