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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1eaa8a1b1ꨡ±
SJIS-WINeaa8a1b1?。ア
EUC-JPeaa8a1b1螯 ̄
UTF-8eaa8a1b1ꨡ?
UHCeaa8a1b1熊”