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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f81ca5c????????????????Ê\
SJIS-WIN3f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f81ca5c?¥???????????????¬\
EUC-JP3f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f81ca5c??????????????????
UTF-83f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f81ca5c????????????????????\
UHC3f818f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f81ca5c?걦???????????????곅\