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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-191ab3f3f3f3f3f3f3f3f3f‘«?????????
SJIS-WIN91ab3f3f3f3f3f3f3f3f3f足?????????
EUC-JP91ab3f3f3f3f3f3f3f3f3f??????????
UTF-891ab3f3f3f3f3f3f3f3f3f???????????
UHC91ab3f3f3f3f3f3f3f3f3f뫉?????????