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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1efaf3f3f3f3f3f42�????B
SJIS-WINefaf3f3f3f3f3f42??????B
EUC-JPefaf3f3f3f3f3f42鎭?????B
UTF-8efaf3f3f3f3f3f42??????B
UHCefaf3f3f3f3f3f42鈿?????B