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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-191ab3f3f3f3f3f3f3f3f‘«????????
SJIS-WIN91ab3f3f3f3f3f3f3f3f足????????
EUC-JP91ab3f3f3f3f3f3f3f3f?????????
UTF-891ab3f3f3f3f3f3f3f3f??????????
UHC91ab3f3f3f3f3f3f3f3f뫉????????