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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81803f3f3f3f615d?€????a]
SJIS-WIN3f81803f3f3f3f615d?÷????a]
EUC-JP3f81803f3f3f3f615d???????a]
UTF-83f81803f3f3f3f615d???????a]
UHC3f81803f3f3f3f615d??????a]