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]: ['y', 'm', '121', 'h', 'm', '189', '117', '257', 'y', '181', '279', 'a', '453']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['p', 't', '211', 'r', '439', 'h', 'g', 'c', '299', '371']
[A]: 1, 2, 3, 4, 7, 9


[Q]: ['37', 'u', '463', '21', 'd']
[A]:
1, 2, 3, 4, 6, 7


