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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81f73f3f3f3f613f81f73f3f3f817d?÷????a?÷???}
SJIS-WIN3f81f73f3f3f3f613f81f73f3f3f817d?¶????a?¶???±
EUC-JP3f81f73f3f3f3f613f81f73f3f3f817d??????a??????}
UTF-83f81f73f3f3f3f613f81f73f3f3f817d???????a???????}
UHC3f81f73f3f3f3f613f81f73f3f3f817d?괈????a?괈????