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]: ['h', 't', '371', 'e', '153', 'b']
[A]: 1, 3, 5, 7


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


[Q]: ['97', '147', 'j', 'm', 'c', '445']
[A]:
1, 4, 5, 7, 9