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]: ['h', 'e', 'v']
[A]: -1


[Q]: ['e', '161', '153', 'h', 'a', 'i', '265', 'a', 'v', '149', 'q']
[A]:
1, 2, 3, 4, 5, 6, 9