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]: ['475', 's', '123', '389', 'y', 'm', 'v', '47', 'u', '479', '357', '279', '137', 'l', 'i']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['439', '443', '175', 'e', 'm', '361', 'd']
[A]: 1, 3, 4, 5, 6, 7, 9


[Q]: ['425', 'x', 'u', 'f', 'v', '481', 'm', 'y', '159', '1']
[A]:
1, 2, 4, 5, 8, 9