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: ['h', 'e', 'v']

A: -1
****
Q: ['279', 'y', '391', '33', '281', '113', 'd', 'v']

A: 1, 2, 3, 7, 8, 9
****
Q: ['t', 'l', 'r', '223', '299', '219', '189', '195', 'd', 'b']

A:
1, 2, 3, 5, 8, 9
****
