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]: ['c', 'h', '151', 'g', 'd', 'd', 'k', '37']
[A]: 1, 3, 5, 7


[Q]: ['g', '169', '93', 'z', 'h', '493', 'r']
[A]: 1, 3, 4, 6, 9


[Q]: ['z', 'h', 'c']
[A]:
-1