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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-18fef3f3f3f3fï????
SJIS-WIN8fef3f3f3f3f擾????
EUC-JP8fef3f3f3f3f????
UTF-88fef3f3f3f3f??????
UHC8fef3f3f3f3f륅????