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]: ['a', '399', 's', 'e', '495', 'd', 'f', 'a', '323']
[EX A]: 2, 3, 4, 5, 9

[EX Q]: ['x', '325', 'i', 'n', 'i', 'w', 't']
[EX A]: 2, 3, 5

[EX Q]: ['s', '267', 'q', 'e', 'w', '287']
[EX A]:
2, 6, 7, 8