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]: ['285', 'w', '37', '471', 'y', '435', '27', '415', 'f', 's', '27', 'b']
[A]: 1, 2, 3, 4, 5, 7, 8


[Q]: ['r', '321', '355', 'w', 'm', 'v', 'a', 'u', '455', 'n', '169']
[A]: 1, 2, 3, 4, 5, 6, 9


[Q]: ['33', 't', '155', 'z', '401', 'u', '353', 'q', 'u', 'f', 'h', 'g']
[A]:
0, 1, 3, 4, 5