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]: ['z', 'v', 't', 'm', '51', 'e', 'l', 'l', '83', '301', '21', '347', 'm', '41', 'b']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8

[EX Q]: ['x', 'x', '145', 'p', '11', 'j', 'e', '93', '213', '89', '445', 'z', 'z']
[EX A]: 1, 2, 3, 4, 5, 8, 9

[EX Q]: ['153', 'j', '127', 'u', '375']
[EX A]:
1, 2, 3, 5, 7