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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-181803f3f3f3f3f78€?????x
SJIS-WIN81803f3f3f3f3f78÷?????x
EUC-JP81803f3f3f3f3f78???????x
UTF-881803f3f3f3f3f78???????x
UHC81803f3f3f3f3f78??????x