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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1dff23f3f4246ßò??BF
SJIS-WINdff23f3f4246ﾟ??BF
EUC-JPdff23f3f4246熬??BF
UTF-8dff23f3f4246????BF
UHCdff23f3f4246捿??BF