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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f3f81913f3f3f3f3f81913f3f3f6b??‘?????‘???k
SJIS-WIN3f3f81913f3f3f3f3f81913f3f3f6b??¢?????¢???k
EUC-JP3f3f81913f3f3f3f3f81913f3f3f6b??????????????k
UTF-83f3f81913f3f3f3f3f81913f3f3f6b??????????????k
UHC3f3f81913f3f3f3f3f81913f3f3f6b??걨?????걨???k