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:
['y', 'v', '311', 'f', '273']

Ex Output:
1, 2, 3, 7


Ex Input:
['175', 'c', 'c']

Ex Output:
1, 5, 7


Ex Input:
['395', 'p', '373']

Ex Output:

3, 5, 7, 9


