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]: ['v', '105', 'p', 'w', '295', '239', '453']
[A]: 0, 1, 2, 3, 4, 5, 9


[Q]: ['215', '391', '251', '177']
[A]: 1, 2, 3, 5, 7, 9


[Q]: ['173', '219', '45', 'o', 'c']
[A]:
1, 2, 3, 4, 5, 7, 9