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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1eff7a1bfï÷¡¿
SJIS-WINeff7a1bf?。ソ
EUC-JPeff7a1bf阯/
UTF-8eff7a1bf????
UHCeff7a1bf鄭×