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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-18dda3f3f3f3f3f3f3f3fÚ????????
SJIS-WIN8dda3f3f3f3f3f3f3f3f載????????
EUC-JP8dda3f3f3f3f3f3f3f3f?????????
UTF-88dda3f3f3f3f3f3f3f3f??????????
UHC8dda3f3f3f3f3f3f3f3f띦????????