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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1faa8a8ú¨¨
SJIS-WINfaa8a8甯ィ
EUC-JPfaa8a8?
UTF-8faa8a8???
UHCfaa8a8