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: ['t', 'u', 'e', 'a', '369', 'e', 'r', 'm']

A: 3, 6, 9
****
Q: ['d', '25', '323', 'k', 'e']

A: 2, 3, 5
****
Q: ['i', 'z', 'm', '397', 'v', 'a', 'c', 'p', '369', 'g', '443']

A:
3, 4, 6, 7, 9
****