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', 'f', 'm', 'w', 'w', 'y', 'b']

Ex Output:
-1


Ex Input:
['h', 'l', '43', 'b', 'g', '265', '355', 'y']

Ex Output:
2, 3, 4, 5, 6


Ex Input:
['23', '379', 'q', '51', '297', '15']

Ex Output:

1, 2, 3, 5, 7, 9