prefix(in, in):
pass

prefix(in, out):
["", "a", "aß", "aßξ", "aßξ啕", "aßξ啕𐀀", "aßξ啕𐀀."]

suffix(in, in):
pass

suffix(in, out):
["", ".", "aßξ啕𐀀.", "ßξ啕𐀀.", "ξ啕𐀀.", "啕𐀀.", "𐀀."]

remove_prefix:
pass

remove_suffix:
pass