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:
['285', 'w', '37', '471', 'y', '435', '27', '415', 'f', 's', '27', 'b']

Ex Output:
1, 2, 3, 4, 5, 7, 8


Ex Input:
['221', '191', 'w', 'l', 'h', 'a']

Ex Output:
1, 2, 9


Ex Input:
['y', 'l', 'f', 'j']

Ex Output:

-1