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: ['99', '245', 'c', '435', '255', 'v']

A: 2, 3, 4, 5, 9
****
Q: ['333', '207', '13', '339', 'n', '387']

A: 0, 1, 2, 3, 7, 8, 9
****
Q: ['9', '281', 'h', 'b', 'j', 's', '225', '31', '215', '27', 'b', '185']

A:
1, 2, 3, 5, 7, 8, 9
****