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', '217']

Ex Output:
1, 2, 7


Ex Input:
['353', 'k', 'j', '1', '375', 'e', 'd']

Ex Output:
1, 3, 5, 7


Ex Input:
['421', '99', '115', 'x']

Ex Output:

1, 2, 4, 5, 9