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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13febea3f3f3f3f?ëê????
SJIS-WIN3febea3f3f3f3f??????
EUC-JP3febea3f3f3f3f?謚????
UTF-83febea3f3f3f3f???????
UHC3febea3f3f3f3f?凝????