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]: ['f', 'u', 'd', '51', 'w', '449', 'z', '313', '153', 'z', '319']
[EX A]: 1, 3, 4, 5, 9

[EX Q]: ['h', '135', 'w', '477', '141', 'i', 'n', '387', 'r', 'u', '345', 'g']
[EX A]:
1, 3, 4, 5, 7, 8