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]: ['269', 'a', 'x', '395', '477', 'e', 'd', 'o', '129', 'j', '93', '237', '417', 'f']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['71', '7', '341', '199', 'z', 'x', '201']
[EX A]: 0, 1, 2, 3, 4, 7, 9

[EX Q]: ['v', 'j', '499', 'm', '243', '419', '491', '431', '419', 'm', '65', 'x']
[EX A]:
1, 2, 3, 4, 5, 6, 9