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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-18dde3f3f3f3f8ddeÞ????Þ
SJIS-WIN8dde3f3f3f3f8dde材????材
EUC-JP8dde3f3f3f3f8dde??????
UTF-88dde3f3f3f3f8dde????????
UHC8dde3f3f3f3f8dde띫????띫