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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-19abf3f3f3f3f3f3fš¿??????
SJIS-WIN9abf3f3f3f3f3f3f堊??????
EUC-JP9abf3f3f3f3f3f3f???????
UTF-89abf3f3f3f3f3f3f????????
UHC9abf3f3f3f3f3f3f슼??????