The term unpronounceable is identified in base64 scheme by the sequence dW5wcm9ub3VuY2VhYmxl, while the MD5 signature is equal to 3cc3f36ff7a9b2482745e48e73605c8b. The ASCII encoding of unpronounceable in hexadecimal notation is 756e70726f6e6f756e636561626c65.