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 Q]: ['119', '189', 'k', 'e', '425', '21', '245']
[EX A]: 1, 2, 4, 5, 8, 9

[EX Q]: ['h', '309', 'q', 'w', '367', '245', '181', 'w', '377', '33']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['91', 'n', 'c', '93', '327', '175', '253', '417', '197']
[EX A]:
1, 2, 3, 4, 5, 7, 9