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

['403', 'j', 'x', '187', '311', 'g', 'z', 'p', '287', 'w', 'k', 'm']
0, 1, 2, 3, 4, 7, 8

['s', '193', 'c', '247', 't', '331', '205', 'g', 'q', 'j', 'n', '127', 't']

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