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]: ['213', 'm', '347', '217', 'g', '207', '361', 'q']
[EX A]: 0, 1, 2, 3, 4, 6, 7

[EX Q]: ['r', '273', 'h', '421', 'k', 'r', 'k', 't', 'x', 's', 'j']
[EX A]: 1, 2, 3, 4, 7

[EX Q]: ['f', '173', '175', 'n', 'y', '177', 'j', 'j', '353', '473', 'h', 'd', '403', '131']
[EX A]:
0, 1, 3, 4, 5, 7