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]: ['u', 'm', 'n', 'h', 'u']
[A]: -1


[Q]: ['q', 'u', '199', 'v', '249']
[A]: 1, 2, 4, 9


[Q]: ['205', '89', '345', '15', 'p', '351', '197', 'j']
[A]:
0, 1, 2, 3, 4, 5, 7, 8, 9