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]: ['h', '477', 'w', '315', 'k', 'd', '367', '411', '207', 'b', '81', 'k', 'f', '107', '103']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 8


[Q]: ['q', 'y', '49', '497', 'a', 'f', 'v', 'x', 'f', '347', '183', '489']
[A]: 1, 3, 4, 7, 8, 9


[Q]: ['c', '345', 'g', 'k', 'x', '251', '271', '273', 's', 'f', '283', '449', '481', 'j', '481']
[A]:
1, 2, 3, 4, 5, 7, 8, 9