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]: ['193', '195', '411', 'p', '161', 'j']
[EX A]: 1, 3, 4, 5, 6, 9

[EX Q]: ['345', 'h', '9']
[EX A]: 3, 4, 5, 9

[EX Q]: ['p', 'j', '199', 'r', '127', 'z', 'a', 'g', '47', 'j', '457', '433', 'u', 'r']
[EX A]:
1, 2, 3, 4, 5, 7, 9