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]: ['99', 'p', 'v', '49', 's', '279', 'v', '287', '355', 'o', '131', 'd', 'b']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['279', 't', 'e', 'j', '437', '167', 's', 'n']
[EX A]: 1, 2, 3, 4, 6, 7, 9

[EX Q]: ['f', 'a', 's', 'q', '333', 'q', '407', 't', 'l', 'q', 'b', 'w', '7', '85']
[EX A]:
0, 3, 4, 5, 7, 8