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:
['u', 'm', 'n', 'h', 'u']

Ex Output:
-1


Ex Input:
['r', '233']

Ex Output:
2, 3


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

Ex Output:

1, 4, 5