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]: ['b', 'r', 'n', '89', '379', '283', '27', 's', '361', 'm', 'l']
[A]: 1, 2, 3, 6, 7, 8, 9


[Q]: ['255', 'u', 's', 'g', '445']
[A]: 2, 4, 5


[Q]: ['261', '331', '193', 'c', '93', '493', '343', '249', 'c', '257', 'h', '29']
[A]:
1, 2, 3, 4, 5, 6, 7, 9