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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13ff9e23f3f3f3f61?ùâ????a
SJIS-WIN3ff9e23f3f3f3f61?????a
EUC-JP3ff9e23f3f3f3f61??????a
UTF-83ff9e23f3f3f3f61???????a
UHC3ff9e23f3f3f3f61?喊????a