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]: ['317', '221', 'h', '101', '453', '489']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['p', 't', '211', 'r', '439', 'h', 'g', 'c', '299', '371']
[EX A]: 1, 2, 3, 4, 7, 9

[EX Q]: ['97', 'e', 'e', '43', 'k', 'n', 'o', '163', 'r', 'i', 'y']
[EX A]:
1, 3, 4, 6, 7, 9