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.

[EX Q]: ['61', '417', '437', '489', '383', 'n', '11', 'o', 'a', 'v', '37', 'q', '317']
[EX A]: 1, 3, 4, 6, 7, 8, 9

[EX Q]: ['177', '17', '205', '25', 'n', '359', 'b', 'f', '181', 'k', '169', '483', '473', 'h']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['111', 'p', '437', '309', 't', '415', 'j', 'n', '163', '175', '299', 'a', 'u']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9