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', 'e', '17', 'q', '15', 'v']
[A]: 1, 5, 7


[Q]: ['279', '115']
[A]: 1, 2, 5, 7, 9


[Q]: ['345', '417', 'z', 'x', 'l']
[A]:
1, 3, 4, 5, 7