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:
['z', 'e', 'c']

Ex Output:
-1


Ex Input:
['i', 'e', '17', 'q', '15', 'v']

Ex Output:
1, 5, 7


Ex Input:
['163', '289', '437', 'b', '363', 'c', '229', '453', 'r', 'b', '285']

Ex Output:

1, 2, 3, 4, 5, 6, 7, 8, 9