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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1818081983f3f3f3f3f3f6442€˜??????dB
SJIS-WIN818081983f3f3f3f3f3f6442֤??????dB
EUC-JP818081983f3f3f3f3f3f6442??????????dB
UTF-8818081983f3f3f3f3f3f6442??????????dB
UHC818081983f3f3f3f3f3f6442?걯??????dB