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:
['f', 'f', '149', '311', '331', 'l', 'u', '349', 'v', 'v', '417', '285']

Ex Output:
1, 2, 3, 4, 5, 7, 8, 9


Ex Input:
['i', '249', '287']

Ex Output:
2, 4, 7, 8, 9


Ex Input:
['d', 'x', '235', 'r']

Ex Output:

2, 3, 5