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:
['k', 'b', 'k', 'l', '441', 'b', '115', 'd', 'b', 'r', '115', 'k', 'a']

Ex Output:
1, 4, 5


Ex Input:
['h', 'e', 'v']

Ex Output:
-1


Ex Input:
['c', 't', '53', 'g', '71', '169', '193', 'g']

Ex Output:

1, 3, 5, 6, 7, 9