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', '341', '151', '1', '157', '211', '189']
1, 2, 3, 4, 5, 7, 8, 9

['w', '13', 'b', '455', 'b', 'k']
1, 3, 4, 5

['285', 'g', '473', '73', 't', '231', 'k', 'z', '95', 'e']

1, 2, 3, 4, 5, 7, 8, 9