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.

[EX Q]: ['127', 'd', '479', 'v', '213', 'm', 'z', '151', 'h', '455']
[EX A]: 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['o', '61', '475', '457', 'a', 'o', 'z', '227', '415', 'z', 'x', 'y', '73', '205', 'y']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7

[EX Q]: ['459', 'z', '279', 'f', 'r', 'v', '137', '497', 't', 'a', 'o', '399']
[EX A]:
1, 2, 3, 4, 5, 7, 9