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]: ['i', 'f', '109']
[A]: 0, 1, 9


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


[Q]: ['q', 'q', '141', '327', '411', 'd']
[A]:
1, 2, 3, 4, 7