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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1819e3f3f3f3f3f835f3f3fž?????ƒ_??
SJIS-WIN819e3f3f3f3f3f835f3f3f◇?????ダ??
EUC-JP819e3f3f3f3f3f835f3f3f????????_??
UTF-8819e3f3f3f3f3f835f3f3f????????_??
UHC819e3f3f3f3f3f835f3f3f걻????????