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]: ['233', '37', '221', 'n', 'j', 'y', '381', '175']
[EX A]: 1, 2, 3, 5, 7, 8

[EX Q]: ['3', '181', 'o', '425', 'f', '391']
[EX A]: 1, 2, 3, 4, 5, 8, 9

[EX Q]: ['p', '205', '427', '19', 'j', 'e', '459']
[EX A]:
0, 1, 2, 4, 5, 7, 9