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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13feefe3f3f3f3f3f3f3f3f?îþ????????
SJIS-WIN3feefe3f3f3f3f3f3f3f3f??????????
EUC-JP3feefe3f3f3f3f3f3f3f3f?錮????????
UTF-83feefe3f3f3f3f3f3f3f3f???????????
UHC3feefe3f3f3f3f3f3f3f3f?澱????????