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:
['333', '207', '13', '339', 'n', '387']

Ex Output:
0, 1, 2, 3, 7, 8, 9


Ex Input:
['z', 'z', '273']

Ex Output:
2, 3, 7


Ex Input:
['s', '107', 'u', 's', '457', '489', '171', 'r', '195', '411', '61', 'b', 'k']

Ex Output:

0, 1, 4, 5, 6, 7, 8, 9