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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13ff9f23f5b4246?ùò?[BF
SJIS-WIN3ff9f23f5b4246??[BF
EUC-JP3ff9f23f5b4246???[BF
UTF-83ff9f23f5b4246????[BF
UHC3ff9f23f5b4246?伉?[BF