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]: ['z', 'g', '311', 'd', 's', 'w']
[A]: 1, 3


[Q]: ['s', '95', 'j', '173', '437', '143', 'n', '357', 'w', '239', '219']
[A]: 1, 2, 3, 4, 5, 7, 9


[Q]: ['c', 'u', 'y', 'x', '277', '211']
[A]:
1, 2, 7