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]: ['o', 'k', 'i']
[EX A]: -1

[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]: ['y', 'f', 'b', '313', 'v', '205', '101', 'b', 'h', 't', 'x', '185', 'n']
[EX A]:
0, 1, 2, 3, 5, 8