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]: ['143', 'i', '499', 't', '27']
[A]: 1, 2, 3, 4, 7, 9


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


[Q]: ['r', 't', '63', '323', 'y', 'h', '413', 'p', 'i', 'k']
[A]:
1, 2, 3, 4, 6