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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1dff23f3f3f3f3f3fßò??????
SJIS-WINdff23f3f3f3f3f3fﾟ??????
EUC-JPdff23f3f3f3f3f3f熬??????
UTF-8dff23f3f3f3f3f3f????????
UHCdff23f3f3f3f3f3f捿??????