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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81ca3f3f3f3f3f3f3f3f3f3f61?Ê??????????a
SJIS-WIN3f81ca3f3f3f3f3f3f3f3f3f3f61?¬??????????a
EUC-JP3f81ca3f3f3f3f3f3f3f3f3f3f61????????????a
UTF-83f81ca3f3f3f3f3f3f3f3f3f3f61?????????????a
UHC3f81ca3f3f3f3f3f3f3f3f3f3f61?곅??????????a