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]: ['109', 'b']
[A]: 0, 1, 9


[Q]: ['m', 'e', 'g']
[A]: -1


[Q]: ['351', '425', '413']
[A]:
1, 2, 3, 4, 5