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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5f42?Ê????????????????_B
SJIS-WIN3f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5f42?¬????????????????_B
EUC-JP3f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5f42??????????????????_B
UTF-83f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5f42???????????????????_B
UHC3f81ca3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f5f42?곅????????????????_B