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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f818f3f3f3f3f3f3f3f3f3f81ca6b??????????Êk
SJIS-WIN3f818f3f3f3f3f3f3f3f3f3f81ca6b?¥?????????¬k
EUC-JP3f818f3f3f3f3f3f3f3f3f3f81ca6b????????????
UTF-83f818f3f3f3f3f3f3f3f3f3f81ca6b??????????????k
UHC3f818f3f3f3f3f3f3f3f3f3f81ca6b?걦?????????곅k