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]: ['u', 'h', 'z', '227', '497', '381', '101', '453', '5']
[A]: 0, 1, 2, 3, 4, 5, 7, 8, 9


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


[Q]: ['u', 'y', 'r', 'g', '487', '69', 'a', '487', '309', 'h', '133', '477', 'y', '95']
[A]:
0, 1, 3, 4, 5, 6, 7, 8, 9