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]: ['f', '73', 'k', '333', '345', 'e', 'x', 'j']
[A]: 3, 4, 5, 7


[Q]: ['u', 'c', 'f', 'z', '51', '301', 'q', '275']
[A]: 0, 1, 2, 3, 5, 7


[Q]: ['m', 'm', 'd', 'v', 't', 'z']
[A]:
-1