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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-1facfeff6edcd3f3f3f3fúÏïöíÍ????
SJIS-WINfacfeff6edcd3f3f3f3f昕?楨????
EUC-JPfacfeff6edcd3f3f3f3f?阮輙????
UTF-8facfeff6edcd3f3f3f3f??????????
UHCfacfeff6edcd3f3f3f3f險貞雀????