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]: ['j', 's', '127', 'o', 'e', '227', 'k', 'o']
[EX A]: 1, 2, 7

[EX Q]: ['149', '129', 'k']
[EX A]: 1, 2, 4, 9

[EX Q]: ['331', 'a', '29', 'b', '17', '237', '453', 'n']
[EX A]:
1, 2, 3, 4, 5, 7, 9