What character(s) does a bitstring is encoded in each character set?

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1eff28ebfebfa8ea6ïòŽ¿ëúŽ¦
SJIS-WINeff28ebfebfa8ea6?質?示
EUC-JPeff28ebfebfa8ea6闥ソ證ヲ
UTF-8eff28ebfebfa8ea6??????
UHCeff28ebfebfa8ea6綎렲艤렑