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]: ['o', 'f', 'm', 'w', 'w', 'y', 'b']
[A]: -1


[Q]: ['j', '463', 'z', '35', 'w', '191', '333', 'a']
[A]: 1, 3, 4, 5, 6, 9


[Q]: ['393', 'h', '63', 'w', 'm', 'm', 'u', 't', '243', '437', '129', 'o']
[A]:
1, 2, 3, 4, 6, 7, 9