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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f818f3f3f3f818b3f3f3f3f3f3f5b4246????‹??????[BF
SJIS-WIN3f818f3f3f3f818b3f3f3f3f3f3f5b4246?¥???°??????[BF
EUC-JP3f818f3f3f3f818b3f3f3f3f3f3f5b4246????????????[BF
UTF-83f818f3f3f3f818b3f3f3f3f3f3f5b4246??????????????[BF
UHC3f818f3f3f3f818b3f3f3f3f3f3f5b4246?걦???걢??????[BF