3. What word is encoded in the number 222122111121, if each letter has been replaced by its number in the alphabet?
3. In the encrypted word, letters with the following alphabet numbers may appear: $2,22,21,1,11,12$, that is, $\delta, \phi, y, a, \check{u}, \kappa$. By brute force, we find that this word is "fufajka".