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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1efaf3f3f3f3f3f6b�????k
SJIS-WINefaf3f3f3f3f3f6b??????k
EUC-JPefaf3f3f3f3f3f6b鎭?????k
UTF-8efaf3f3f3f3f3f6b??????k
UHCefaf3f3f3f3f3f6b鈿?????k