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: ['271', '9', 'v', '93', 'f', 'd']

A: 1, 2, 3, 7, 9
****
Q: ['m', '221', '261', '175', '183', '359', 'h', '157', 'p', 'r', 'c', 'g', '193', 's']

A: 1, 2, 3, 5, 6, 7, 8, 9
****
Q: ['73', '491', '457', 'l', '397', 'e']

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