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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1818b818b3f3f3f3f‹‹????
SJIS-WIN818b818b3f3f3f3f°°????
EUC-JP818b818b3f3f3f3f????????
UTF-8818b818b3f3f3f3f????????
UHC818b818b3f3f3f3f걢걢????