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]: ['y', 'b']
[A]: -1


[Q]: ['y', 'l', 'g', 'w', '13', 'd', '123', '279', '293', 'n', '341', 'n', '359', '35', 'd']
[A]: 1, 2, 3, 4, 5, 7, 9


[Q]: ['b', 'j', '195', 'a', 'z', 's', 'u', '449', 'u', '71', 'b', 'j', 'i', 'i']
[A]:
1, 4, 5, 7, 9