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]: ['t', 'r', 'z']
[EX A]: -1

[EX Q]: ['117', '247', '49', '63']
[EX A]: 1, 2, 3, 4, 6, 7, 9

[EX Q]: ['289', 'f', 'y', 'n', '271', '223', 'v', 'p', 'v', 'w', '7', 'i', '195']
[EX A]:
1, 2, 3, 5, 7, 8, 9