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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13feff63f3f3f3f?ïö????
SJIS-WIN3feff63f3f3f3f??????
EUC-JP3feff63f3f3f3f?阮????
UTF-83feff63f3f3f3f???????
UHC3feff63f3f3f3f?貞????