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:
['u', 'm', 'n', 'h', 'u']

Ex Output:
-1


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

Ex Output:
1, 2, 3, 5, 6, 7, 9


Ex Input:
['b', 's', 'y', 'q', 't', '499']

Ex Output:

4, 9