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:
['v', '105', 'p', 'w', '295', '239', '453']

Ex Output:
0, 1, 2, 3, 4, 5, 9


Ex Input:
['197', 'p', 'e', '217', '327', '439', '59', 'o', '355', 'z']

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


Ex Input:
['w', 'n', 'k', '329', 'f', 'z', 'b', '343', '249', 'v', '37', '325', '29']

Ex Output:

2, 3, 4, 5, 7, 9