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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5b6b?Ê????????????????[k
SJIS-WIN3f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5b6b?¬????????????????[k
EUC-JP3f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5b6b??????????????????[k
UTF-83f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5b6b???????????????????[k
UHC3f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5b6b?곅????????????????[k