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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13febea3f3f3f3f3f3f3f3f?ëê????????
SJIS-WIN3febea3f3f3f3f3f3f3f3f??????????
EUC-JP3febea3f3f3f3f3f3f3f3f?謚????????
UTF-83febea3f3f3f3f3f3f3f3f???????????
UHC3febea3f3f3f3f3f3f3f3f?凝????????