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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1eff28ebfïòŽ¿
SJIS-WINeff28ebf?質
EUC-JPeff28ebf闥ソ
UTF-8eff28ebf??
UHCeff28ebf綎렲