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]: ['t', '437', 'o', 'w', 'x', 'e', 'r', 'r', '149', 'd', '391']
[A]: 1, 3, 4, 7, 9


[Q]: ['f', '367', 'w', '227', '201', 'n', '213', '11']
[A]: 0, 1, 2, 3, 6, 7


[Q]: ['r', '255', '185', '317', '165', '461', 'x', '55', 'd', 'j']
[A]:
1, 2, 3, 4, 5, 6, 7, 8