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:
['c', '435', 'c', 'q', 'u', '191', 'b', 'l', '217']

Ex Output:
1, 2, 3, 4, 5, 7, 9


Ex Input:
['z', 'p', '437', '17', '445', 'f', 'y', 'r', 'o', 'h', 'l', 'v', '417', 'k']

Ex Output:

1, 3, 4, 5, 7