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.

Ex Input:
['51', '461', '343', '15', '209', '51']

Ex Output:
0, 1, 2, 3, 4, 5, 6, 9


Ex Input:
['69', '307', 'l', 'j', '167', 'o', '427', 'j']

Ex Output:
0, 1, 2, 3, 4, 6, 7, 9


Ex Input:
['301', 'i', '117', 'f', '3', 'a', '435']

Ex Output:

0, 1, 3, 4, 5, 7