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: ['u', '343', '167', 'a']

A: 1, 3, 4, 6, 7
****
Q: ['q', '403', '293', '245', '303', '145', 'u', '385', 'c', 'p', 'r', 'y', '53']

A: 0, 1, 2, 3, 4, 5, 8, 9
****
Q: ['a', 'f', '309', 'd', 'l']

A:
0, 3, 9
****