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:
['o', 'e', '187', '153', 'a', '253', 'f']

Ex Output:
1, 2, 3, 5, 7, 8


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

Ex Output:
1, 2, 4, 5, 9


Ex Input:
['z', 'c', 'n', '351', 'f', '239', '71', '351', 'b', '1', '321', 'h', '163']

Ex Output:

1, 2, 3, 5, 6, 7, 9