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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-181803f3f3f3f436f5e€????Co^
SJIS-WIN81803f3f3f3f436f5e÷????Co^
EUC-JP81803f3f3f3f436f5e??????Co^
UTF-881803f3f3f3f436f5e??????Co^
UHC81803f3f3f3f436f5e?????Co^