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: ['475', '19', 'k', '307', '417']

A: 0, 1, 3, 4, 5, 7, 9
****
Q: ['165', '219', 'r', 's', '191', 'k', '39']

A: 1, 2, 3, 5, 6, 9
****
Q: ['d', '497', 'z', 'j']

A:
4, 7, 9
****