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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f3f3f3f8bd23f3f3f3f3f3f3f3f3f3f3f61?????‹Ò???????????a
SJIS-WIN3f3f3f3f3f8bd23f3f3f3f3f3f3f3f3f3f3f61?????斤???????????a
EUC-JP3f3f3f3f3f8bd23f3f3f3f3f3f3f3f3f3f3f61?????????????????a
UTF-83f3f3f3f3f8bd23f3f3f3f3f3f3f3f3f3f3f61??????????????????a
UHC3f3f3f3f3f8bd23f3f3f3f3f3f3f3f3f3f3f61?????뗎???????????a