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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-191ab3f3f3f3f3f3f3f‘«???????
SJIS-WIN91ab3f3f3f3f3f3f3f足???????
EUC-JP91ab3f3f3f3f3f3f3f????????
UTF-891ab3f3f3f3f3f3f3f?????????
UHC91ab3f3f3f3f3f3f3f뫉???????