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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f78?????????????????x
SJIS-WIN3f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f78?¥????????????????x
EUC-JP3f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f78?????????????????x
UTF-83f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f78???????????????????x
UHC3f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f78?걦????????????????x