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]: ['r', '135', 't', 'm', 'f', '329', '475', '243', 'z', 'q', '31', '141']
[A]: 1, 2, 3, 4, 5, 7, 9


[Q]: ['t', 'y', '331']
[A]: 1, 3


[Q]: ['j', 's', 'b', 'v']
[A]:
-1