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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f818f3f818f3f3f613f3f3f3f3f3f59????a??????Y
SJIS-WIN3f818f3f818f3f3f613f3f3f3f3f3f59?¥?¥??a??????Y
EUC-JP3f818f3f818f3f3f613f3f3f3f3f3f59????a??????Y
UTF-83f818f3f818f3f3f613f3f3f3f3f3f59????????a??????Y
UHC3f818f3f818f3f3f613f3f3f3f3f3f59?걦?걦??a??????Y