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]: ['235', '17', 'g', '125', '455', 'h', 'u', 'u', 'y', '219', '129', 'q', 'u', 'r']
[A]: 1, 2, 3, 4, 5, 7, 9


[Q]: ['r', '495', '383', 'd', '369', '323', 'e', 'c', '149', 'q', '487', 'q', 'c']
[A]: 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['267', 'n', '81', '193', 'd', '493']
[A]:
1, 2, 3, 4, 6, 7, 8, 9