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]: ['45', '95', 'y', '363', '265', '307', '309', '423']
[A]: 0, 2, 3, 4, 5, 6, 7, 9


[Q]: ['n', 'g', 'd']
[A]: -1


[Q]: ['49', 'u', '485']
[A]:
4, 5, 8, 9