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]: ['99', '245', 'c', '435', '255', 'v']
[A]: 2, 3, 4, 5, 9


[Q]: ['353', '231', 'w', 't', 'j', 'r', 'm', '455', 'i', '281', '215']
[A]: 1, 2, 3, 4, 5, 8


[Q]: ['49', '97', 'c', '151', '25', '391', '303', 'i']
[A]:
0, 1, 2, 3, 4, 5, 7, 9