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:
['461', 'u', 't']

Ex Output:
1, 4, 6


Ex Input:
['r', 'f', 'l', 'a', 'c', '489', 'e', 'p', 'm', '175', 'l']

Ex Output:
1, 4, 5, 7, 8, 9


Ex Input:
['203', 'y', '421', 'v', 'p']

Ex Output:

0, 1, 2, 3, 4