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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1817e3f3f3f3f3f3f3f~???????
SJIS-WIN817e3f3f3f3f3f3f3f×???????
EUC-JP817e3f3f3f3f3f3f3f?~???????
UTF-8817e3f3f3f3f3f3f3f?~???????
UHC817e3f3f3f3f3f3f3f????????