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: ['385', 'k', 'a', 't', 'o', 'b', 'g', 'u', '319', 'e', '315', '365']

A: 1, 3, 5, 6, 8, 9
****
Q: ['g', 't', '31', 't', 's']

A: 1, 3
****
Q: ['315', 's', 'l', 'q', '109', '443', 'x', '437', '33', 'v', 'a', '473', '275', '39']

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