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]: ['o', 'e', '187', '153', 'a', '253', 'f']
[A]: 1, 2, 3, 5, 7, 8


[Q]: ['s', 'y', '133', 'c', '415', 'p']
[A]: 1, 3, 4, 5


[Q]: ['43', 'n', '237']
[A]:
2, 3, 4, 7