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:
['385', 'k', 'a', 't', 'o', 'b', 'g', 'u', '319', 'e', '315', '365']

Ex Output:
1, 3, 5, 6, 8, 9


Ex Input:
['e', '313', '259', 'i', 'h']

Ex Output:
1, 2, 3, 5, 9


Ex Input:
['463', 'k']

Ex Output:

3, 4, 6