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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-18bfb3f3f3f3f3f3f3f3f‹û????????
SJIS-WIN8bfb3f3f3f3f3f3f3f3f屑????????
EUC-JP8bfb3f3f3f3f3f3f3f3f?????????
UTF-88bfb3f3f3f3f3f3f3f3f??????????
UHC8bfb3f3f3f3f3f3f3f3f뗼????????