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]: ['y', 'b']
[A]: -1


[Q]: ['397', '287', '401', '97']
[A]: 0, 1, 2, 3, 4, 7, 8, 9


[Q]: ['d', 'p', 'z', 'v', '219', 'j']
[A]:
1, 2, 9