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:
['i', '325', '117', 'k', 'y', 'x', '49', '349', '477', 'u', '435']

Ex Output:
1, 2, 3, 4, 5, 7, 9


Ex Input:
['459', 'd', '473', 'i', 'l', 's']

Ex Output:
3, 4, 5, 7, 9


Ex Input:
['m', '69', '393']

Ex Output:

3, 6, 9