Bitstring to characters

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

Encoding	Bitstring	Character(s)
ISO-8859-1	3f3f583f3f3fa9f8	??X???©ø
SJIS-WIN	3f3f583f3f3fa9f8	??X???ｩ
EUC-JP	3f3f583f3f3fa9f8	??X????
UTF-8	3f3f583f3f3fa9f8	??X?????
UHC	3f3f583f3f3fa9f8	??X???³