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


[Q]: ['f', '291', '145', 'd', 'z', '355', 'r']
[A]: 1, 2, 3, 4, 5, 9


[Q]: ['155', '73', '405', 'h', '391', 'p', 'b', '169', 'y']
[A]:
0, 1, 3, 4, 5, 6, 7, 9


