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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13febea3f3f3f3f3f3f?ëê??????
SJIS-WIN3febea3f3f3f3f3f3f????????
EUC-JP3febea3f3f3f3f3f3f?謚??????
UTF-83febea3f3f3f3f3f3f?????????
UHC3febea3f3f3f3f3f3f?凝??????