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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81ca3f3f3f3f726b?Ê????rk
SJIS-WIN3f81ca3f3f3f3f726b?￢????rk
EUC-JP3f81ca3f3f3f3f726b??????rk
UTF-83f81ca3f3f3f3f726b???????rk
UHC3f81ca3f3f3f3f726b?곅????rk