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:
['437', '377']

Ex Output:
3, 4, 7


Ex Input:
['k', 'q', 'a', 'u', 'q']

Ex Output:
-1


Ex Input:
['n', 'v', '427', 'm', '163', 'r', 'v', 'u', '213', 'i', '341', '307']

Ex Output:

0, 1, 2, 3, 4, 6, 7