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:
['h', 't', 'h', 'i', 'c', '441', '117', '463', 'r']

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


Ex Input:
['187', '461', 'b']

Ex Output:
1, 4, 6, 7, 8


Ex Input:
['489', 'z', '403', '259', 'i', '333', 'e', '159', 'y']

Ex Output:

0, 1, 2, 3, 4, 5, 8, 9