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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f3f3f8191817d3f3f3f3f3f3f61????‘}??????a
SJIS-WIN3f3f3f3f8191817d3f3f3f3f3f3f61????¢±??????a
EUC-JP3f3f3f3f8191817d3f3f3f3f3f3f61???????}??????a
UTF-83f3f3f3f8191817d3f3f3f3f3f3f61???????}??????a
UHC3f3f3f3f8191817d3f3f3f3f3f3f61????걨???????a