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

[EX Q]: ['299', '95', 'd', '423', 'q', 'u', '167', '209', '477', 'h', 'k', 'a', '213']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['481', '447', 'm', 'j']
[EX A]:
1, 4, 7, 8