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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1eff28ebf6bïòŽ¿k
SJIS-WINeff28ebf6b?質k
EUC-JPeff28ebf6b闥ソk
UTF-8eff28ebf6b??k
UHCeff28ebf6b綎렲k