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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1a1bf3f3f3f3f¡¿????
SJIS-WINa1bf3f3f3f3f｡ｿ????
EUC-JPa1bf3f3f3f3f／????
UTF-8a1bf3f3f3f3f??????
UHCa1bf3f3f3f3f×????