delta-1 = "\u03B4"
delta-2 = "\U000003B4"
a = "\u0061"
b = "\u0062"
c = "\U00000063"
null-1 = "\u0000"
null-2 = "\U00000000"
ml-delta-1 = """\u03B4"""
ml-delta-2 = """\U000003B4"""
ml-a = """\u0061"""
ml-b = """\u0062"""
ml-c = """\U00000063"""
ml-null-1 = """\u0000"""
ml-null-2 = """\U00000000"""