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.

[Q]: ['299', '371', '313', '17', 't', 'q']
[A]: 1, 2, 3, 7, 9


[Q]: ['355', 'h', '287', 's', 'o', '497', '219']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['153', '159', '463', '451', '181', '343', 'p', 'q']
[A]:
1, 3, 4, 5, 6, 8, 9