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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1819e3f3f3f3f3f3fž??????
SJIS-WIN819e3f3f3f3f3f3f◇??????
EUC-JP819e3f3f3f3f3f3f????????
UTF-8819e3f3f3f3f3f3f????????
UHC819e3f3f3f3f3f3f걻??????