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: ['p', '305', 't', 'x', '497', '209', '151', '89', '53', '189', 'n', '129', 'c', '227', 'p']

A: 0, 1, 2, 3, 4, 5, 7, 8, 9
****
Q: ['363', 'x', '383', '45', '439', '293', '19', '355', 'a', 'y', '489', 'a', '119', 'g']

A:
1, 2, 3, 4, 5, 6, 8, 9
****