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]: ['109', 't', '283', 'c', 'u', 'y', '251', 'x', '377', 'n', 's', 'd', 't', 'q', 'o']
[A]: 0, 1, 2, 3, 5, 7, 8, 9


[Q]: ['f', '291', '145', 'd', 'z', '355', 'r']
[A]: 1, 2, 3, 4, 5, 9


[Q]: ['377', 'k', 'y', '1', '281', '5', '321', '377', '481', '233', '435', 'f']
[A]:
1, 2, 3, 4, 5, 7, 8