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]: ['285', 'f', '469', 'b', '161', 'q', 'l']
[A]: 1, 2, 4, 5, 6, 8, 9


[Q]: ['429', 'a', 'g', '7', 'j', 'd', 'y', '113']
[A]:
1, 2, 3, 4, 7, 9