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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f3f3f3fa1be3f3f3f3f3f3f656b?????¡¾??????ek
SJIS-WIN3f3f3f3f3fa1be3f3f3f3f3f3f656b?????。セ??????ek
EUC-JP3f3f3f3f3fa1be3f3f3f3f3f3f656b?????‐??????ek
UTF-83f3f3f3f3fa1be3f3f3f3f3f3f656b?????????????ek
UHC3f3f3f3f3fa1be3f3f3f3f3f3f656b?????±??????ek