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]: ['287', 'y', 'b', '79', '39', 'l']
[A]: 2, 3, 7, 8, 9


[Q]: ['n', 'g', 'd']
[A]: -1


[Q]: ['135', 'w', 'a', 'e', 'r', '323', 'd', 'f', 'q']
[A]:
1, 2, 3, 5