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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81983f3f3f818f3f3f3f3f3f3f61?˜?????????a
SJIS-WIN3f81983f3f3f818f3f3f3f3f3f3f61?§???¥??????a
EUC-JP3f81983f3f3f818f3f3f3f3f3f3f61????????????a
UTF-83f81983f3f3f818f3f3f3f3f3f3f61??????????????a
UHC3f81983f3f3f818f3f3f3f3f3f3f61?걯???걦??????a