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

Bitstring:
Binary  Hexadecimal 
EncodingBitstringCharacter(s)
ISO-8859-181803f3f3f3f3f425f42€?????B_B
SJIS-WIN81803f3f3f3f3f425f42÷?????B_B
EUC-JP81803f3f3f3f3f425f42???????B_B
UTF-881803f3f3f3f3f425f42???????B_B
UHC81803f3f3f3f3f425f42??????B_B