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:
['k', '413', '321', '209', 'k', '263']

Ex Output:
0, 1, 2, 3, 4, 6, 9


Ex Input:
['l', 't', '75', '427', 'e', '471', 'q', 'f']

Ex Output:

1, 2, 4, 5, 7