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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81913f3f3f3f3f3f3f3f3f3f656b?‘??????????ek
SJIS-WIN3f81913f3f3f3f3f3f3f3f3f3f656b?¢??????????ek
EUC-JP3f81913f3f3f3f3f3f3f3f3f3f656b?????????????ek
UTF-83f81913f3f3f3f3f3f3f3f3f3f656b?????????????ek
UHC3f81913f3f3f3f3f3f3f3f3f3f656b?걨??????????ek