instruction:
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.
question:
['285', 'f', '469', 'b', '161', 'q', 'l']
answer:
1, 2, 4, 5, 6, 8, 9


question:
['s', 't', 'c', '299', 'g', '33', 'o', '485', '345', '295', 'm', '345', 'q', '431', '151']
answer:
1, 2, 3, 4, 5, 8, 9


question:
['h', '365', '101', '67', 'g', 'q', '377', 'a', '455', '189', 'q', '385', 'j', '477']
answer:

0, 1, 3, 4, 5, 6, 7, 8, 9