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]: ['k', 'b', 'k', 'l', '441', 'b', '115', 'd', 'b', 'r', '115', 'k', 'a']
[A]: 1, 4, 5


[Q]: ['345', '393', 'v', 'l', 'b', 'd', 'k', 'q', 'x']
[A]: 3, 4, 5, 9


[Q]: ['s', '117']
[A]:
1, 7