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.

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

[EX Q]: ['o', 'f', 'x', '239']
[EX A]: 2, 3, 9

[EX Q]: ['367', 'p', 'k', '351', 'j', '145', '193', 's', 's', '475', '27', '449', 'w', '499', 'y']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 9