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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-13f81923f3f3f3f3f81923f3f3f3f78?’?????’????x
SJIS-WIN3f81923f3f3f3f3f81923f3f3f3f78?£?????£????x
EUC-JP3f81923f3f3f3f3f81923f3f3f3f78??????????????x
UTF-83f81923f3f3f3f3f81923f3f3f3f78??????????????x
UHC3f81923f3f3f3f3f81923f3f3f3f78?걩?????걩????x