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]: ['71', 't', '93', '301', 'g', '447', '373', 'd', '133', 'r']
[A]: 0, 1, 3, 4, 7, 9


[Q]: ['q', 'g', 'z', '309']
[A]: 0, 3, 9


[Q]: ['o', '55', '149', 'r', 'i', 'z', '49', 'd', '243', '269', 'h', '469', 'i', 'i', 'a']
[A]:
1, 2, 3, 4, 5, 6, 9