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: ['i', '127', 'j', 'z', '489', '359', 'i', 'j', 'y', 'p', 'm', 'z']

A: 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['411', '367']

A: 1, 3, 4, 6, 7
****
Q: ['d', 'c', '147', 'y', '81', '197', 'p', '277', 'm', 'l']

A:
1, 2, 4, 7, 8, 9
****