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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-190bb3f3f3f3f3f61»?????a
SJIS-WIN90bb3f3f3f3f3f61製?????a
EUC-JP90bb3f3f3f3f3f61??????a
UTF-890bb3f3f3f3f3f61???????a
UHC90bb3f3f3f3f3f61맶?????a