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]: ['w', 'p', 'r', 'v', 'd']
[EX A]: -1

[EX Q]: ['379', 'w', 'b', '385', '429', '3', '297', '297', 't', 'z', 'i', '207', 'e', 'a']
[EX A]: 0, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['h', 'w', 'd', 'h', 'q', 'p', '329', '457', 'y', 's', '125', '441', '297']
[EX A]:
1, 2, 3, 4, 5, 7, 9