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.

['u', 'c', 'f', 'z', '51', '301', 'q', '275']
0, 1, 2, 3, 5, 7

['9', '129', '467', '59', 'm', 'n', 'd', '107']
0, 1, 2, 4, 5, 6, 7, 9

['251', '205', '97', '463', 'o', '35', '123', '329', 'u', 't', '391']

0, 1, 2, 3, 4, 5, 6, 7, 9