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]: ['c', '155', '61']
[EX A]: 1, 5, 6

[EX Q]: ['61', '417', '437', '489', '383', 'n', '11', 'o', 'a', 'v', '37', 'q', '317']
[EX A]: 1, 3, 4, 6, 7, 8, 9

[EX Q]: ['389', '317', '45', 'd', '321', '383', '371', '389']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9