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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f3f3f3f3ffbbb3f3ffbbb3f3f78??????û»??û»??x
SJIS-WIN3f3f3f3f3f3ffbbb3f3ffbbb3f3f78??????釗??釗??x
EUC-JP3f3f3f3f3f3ffbbb3f3ffbbb3f3f78????????????x
UTF-83f3f3f3f3f3ffbbb3f3ffbbb3f3f78??????????????x
UHC3f3f3f3f3f3ffbbb3f3ffbbb3f3f78??????互??互??x