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]: ['h', '281', '113', '119', 'j', '245', 'i', '121', '439']
[A]: 1, 2, 3, 4, 5, 8, 9


[Q]: ['j', '195', 'u', '55']
[A]: 1, 5, 9


[Q]: ['b', '295', '139', '481', '477', 's', 'x', '293']
[A]:
1, 2, 3, 4, 5, 7, 8, 9