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]: ['255', '19', '335', '483', 'r', 'c', 'r', 'o', '189', '71', '379', 'l', 'b']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['91', '291', '379', 'k', 'a', 't', 'i', '355', 'l', '335', '119', '343']
[A]: 1, 2, 3, 4, 5, 7, 9


[Q]: ['p', 'b', 'z', 'h', '457', '473', '71']
[A]:
1, 3, 4, 5, 7