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: ['285', 'w', '37', '471', 'y', '435', '27', '415', 'f', 's', '27', 'b']

A: 1, 2, 3, 4, 5, 7, 8
****
Q: ['157', '23', 'h', '439', '253', '291', 'v', '103', 'a', 'r', 'u', 'w', '477', '439']

A:
0, 1, 2, 3, 4, 5, 7, 9
****