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: ['291', 'p', '261', 'z', '21', 'w', 't', '417']

A: 1, 2, 4, 6, 7, 9
****
Q: ['j', 'w', 'h', 'r', 'w', 'h', 'd', 'f', '81', 'g', '145']

A: 1, 4, 5, 8
****
Q: ['289', 'y', '63', '255', 'v']

A:
2, 3, 5, 6, 8, 9
****