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', 'b', 'w', 'm', 'j', 'd', 'q', '47', '221', 'b', '201', 'f']
[EX A]: 0, 1, 2, 4, 7

[EX Q]: ['159', 's', 'z', '85', 't', 'g']
[EX A]: 1, 5, 8, 9

[EX Q]: ['99', '379', 's', 's', 'i', 'i']
[EX A]:
3, 7, 9