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]: ['z', '209']
[A]: 0, 2, 9


[Q]: ['e', '325', '377', 'v', '35', 'n', '125', '195']
[A]: 1, 2, 3, 5, 7, 9


[Q]: ['279', 'd', 'h', 'm', 'x', '435', '115', '475', 'f', 'q']
[A]:
1, 2, 3, 4, 5, 7, 9