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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1e1af3f3f3f61�??a
SJIS-WINe1af3f3f3f61皹???a
EUC-JPe1af3f3f3f61甎???a
UTF-8e1af3f3f3f61????a
UHCe1af3f3f3f61召???a