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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1eff28ebfeab6ïòŽ¿ê¶
SJIS-WINeff28ebfeab6?質?
EUC-JPeff28ebfeab6闥ソ蟠
UTF-8eff28ebfeab6???
UHCeff28ebfeab6綎렲沅