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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1818081923f3f3f3f3f3f4f5e€’??????O^
SJIS-WIN818081923f3f3f3f3f3f4f5e÷£??????O^
EUC-JP818081923f3f3f3f3f3f4f5e??????????O^
UTF-8818081923f3f3f3f3f3f4f5e??????????O^
UHC818081923f3f3f3f3f3f4f5e?걩??????O^