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]: ['9', '129', '467', '59', 'm', 'n', 'd', '107']
[A]: 0, 1, 2, 4, 5, 6, 7, 9


[Q]: ['25', 'n', 'n', '481', 'w', '91', '251']
[A]: 1, 2, 4, 5, 8, 9


[Q]: ['z', '309', 'q', 'a', 'q', 'h', 'u', '399']
[A]:
0, 3, 9