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.

[Q]: ['211', 'v', 'a', '445', '185', '135', 'v', 'w', 'b', '155', '315', '1']
[A]: 1, 2, 3, 4, 5, 8


[Q]: ['197', 'q']
[A]: 1, 7, 9


[Q]: ['v', '55', 't']
[A]:
5