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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13ff9f23f3f3f5f3f3f3f3f?ùò???_????
SJIS-WIN3ff9f23f3f3f5f3f3f3f3f????_????
EUC-JP3ff9f23f3f3f5f3f3f3f3f?????_????
UTF-83ff9f23f3f3f5f3f3f3f3f??????_????
UHC3ff9f23f3f3f5f3f3f3f3f?伉???_????