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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81ca3f3f3f3f3f3f783f81ca?Ê??????x?Ê
SJIS-WIN3f81ca3f3f3f3f3f3f783f81ca?¬??????x?¬
EUC-JP3f81ca3f3f3f3f3f3f783f81ca????????x??
UTF-83f81ca3f3f3f3f3f3f783f81ca?????????x???
UHC3f81ca3f3f3f3f3f3f783f81ca?곅??????x?곅