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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f3f3f3f3f3f3fbf3f3f3f3f3f3f78????????¿??????x
SJIS-WIN3f3f3f3f3f3f3f3fbf3f3f3f3f3f3f78????????ソ??????x
EUC-JP3f3f3f3f3f3f3f3fbf3f3f3f3f3f3f78??????????????x
UTF-83f3f3f3f3f3f3f3fbf3f3f3f3f3f3f78???????????????x
UHC3f3f3f3f3f3f3f3fbf3f3f3f3f3f3f78????????엌?????x