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]: ['345', 'k']
[A]: 3, 4, 5


[Q]: ['71', 't', '93', '301', 'g', '447', '373', 'd', '133', 'r']
[A]: 0, 1, 3, 4, 7, 9


[Q]: ['265', '239', '89', 'b', 'h']
[A]:
2, 3, 5, 6, 8, 9