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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f818f3f81f73f3f3f3f3f3f3f818b616b??÷???????‹ak
SJIS-WIN3f818f3f81f73f3f3f3f3f3f3f818b616b?¥?¶???????°ak
EUC-JP3f818f3f81f73f3f3f3f3f3f3f818b616b????????????ak
UTF-83f818f3f81f73f3f3f3f3f3f3f818b616b???????????????ak
UHC3f818f3f81f73f3f3f3f3f3f3f818b616b?걦?괈???????걢ak