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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f3f3f3f3f3f3f3f819161?????????‘a
SJIS-WIN3f3f3f3f3f3f3f3f3f819161?????????¢a
EUC-JP3f3f3f3f3f3f3f3f3f819161???????????a
UTF-83f3f3f3f3f3f3f3f3f819161???????????a
UHC3f3f3f3f3f3f3f3f3f819161?????????걨a