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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f3f3f3f3f3f3f3f3f3fa1a778???????????¡§x
SJIS-WIN3f3f3f3f3f3f3f3f3f3f3fa1a778???????????。ァx
EUC-JP3f3f3f3f3f3f3f3f3f3f3fa1a778???????????:x
UTF-83f3f3f3f3f3f3f3f3f3f3fa1a778?????????????x
UHC3f3f3f3f3f3f3f3f3f3f3fa1a778???????????¨x