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]: ['73', '215', '389', '381', 'e', 'v', 'j', 'l', 'r']
[EX A]: 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['213', 'm', '347', '217', 'g', '207', '361', 'q']
[EX A]: 0, 1, 2, 3, 4, 6, 7

[EX Q]: ['491', 'h', '275', 'd']
[EX A]:
1, 2, 4, 5, 7, 9