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]: ['363', '455']
[A]: 3, 4, 5, 6


[Q]: ['w', '203', 'd', '133', 'i', 'j', 'd', 'u', 'u', 's', 'f', 'f', '221', '341', '299']
[A]: 0, 1, 2, 3, 4, 9


[Q]: ['l', 'c', 'r', 'm']
[A]:
-1