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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81ca81ca3f3f3f3f3f3f616b?ÊÊ??????ak
SJIS-WIN3f81ca81ca3f3f3f3f3f3f616b?¬¬??????ak
EUC-JP3f81ca81ca3f3f3f3f3f3f616b?????????ak
UTF-83f81ca81ca3f3f3f3f3f3f616b??ʁ???????ak
UHC3f81ca81ca3f3f3f3f3f3f616b?곅곅??????ak