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: ['z', 'z', '273']

A: 2, 3, 7
****
Q: ['397', '287', '401', '97']

A: 0, 1, 2, 3, 4, 7, 8, 9
****
Q: ['189', '95', 'p', '189', '83', 'b', '141', 'z', '301', '193']

A:
0, 1, 3, 4, 5, 8, 9
****