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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-190e23f3f3f6b90e23f3f3fâ???kâ???
SJIS-WIN90e23f3f3f6b90e23f3f3f絶???k絶???
EUC-JP90e23f3f3f6b90e23f3f3f????k????
UTF-890e23f3f3f6b90e23f3f3f?????k?????
UHC90e23f3f3f6b90e23f3f3f먥???k먥???