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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1effb8eafïûŽ¯
SJIS-WINeffb8eaf?識
EUC-JPeffb8eaf陋ッ
UTF-8effb8eaf????
UHCeffb8eaf鋌렞