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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81913f3f3f3f3f8191?‘?????‘
SJIS-WIN3f81913f3f3f3f3f8191?¢?????¢
EUC-JP3f81913f3f3f3f3f8191??????????
UTF-83f81913f3f3f3f3f8191??????????
UHC3f81913f3f3f3f3f8191?걨?????걨