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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81ca3f3f3f3f3f3f3f3f81ca3f3f3f3f3f3f3f4242?Ê????????Ê???????BB
SJIS-WIN3f81ca3f3f3f3f3f3f3f3f81ca3f3f3f3f3f3f3f4242?¬????????¬???????BB
EUC-JP3f81ca3f3f3f3f3f3f3f3f81ca3f3f3f3f3f3f3f4242??????????????????BB
UTF-83f81ca3f3f3f3f3f3f3f3f81ca3f3f3f3f3f3f3f4242????????????????????BB
UHC3f81ca3f3f3f3f3f3f3f3f81ca3f3f3f3f3f3f3f4242?곅????????곅???????BB