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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1a2a1a2a1¢¡¢¡
SJIS-WINa2a1a2a1｢｡｢｡
EUC-JPa2a1a2a1◆◆
UTF-8a2a1a2a1????
UHCa2a1a2a1⇒⇒