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: ['m', '221', '261', '175', '183', '359', 'h', '157', 'p', 'r', 'c', 'g', '193', 's']

A: 1, 2, 3, 5, 6, 7, 8, 9
****
Q: ['385', 'b', 'c']

A: 3, 5, 8
****
Q: ['g', 'u', '155', 't', '205', '123', '277', 'b']

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