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]: ['b', 'r', 'n', '89', '379', '283', '27', 's', '361', 'm', 'l']
[EX A]: 1, 2, 3, 6, 7, 8, 9

[EX Q]: ['j', 't']
[EX A]: -1

[EX Q]: ['x', '205', '135', 'i']
[EX A]:
0, 1, 2, 3, 5