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]: ['381', '277', 'g', '307', 'p', '105', '341', 'o', '313', '5', '375', '145', 'k']
[A]: 0, 1, 2, 3, 4, 5, 7, 8


[Q]: ['343', 'c', '7', '271', 'm', '151', 'd', 'n', '305', 'y', 'w', '255']
[A]: 0, 1, 2, 3, 4, 5, 7


[Q]: ['h', 'i', 'g']
[A]:
-1