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: ['451', 'd', '429', '23', '143', '223', 'm', '51']

A: 1, 2, 3, 4, 5, 9
****
Q: ['221', '191', 'w', 'l', 'h', 'a']

A: 1, 2, 9
****
Q: ['d', 'o', 'y', 'a', '93', '373']

A:
3, 7, 9
****