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:
['39', '461', '163', '379', '331', '137', 'g', 'm']

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


Ex Input:
['j', '463', 'z', '35', 'w', '191', '333', 'a']

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


Ex Input:
['j', '69']

Ex Output:

6, 9