**198230 5678 4 1096**

The above represents a 4-word advice, consisting of **12** distinct letters.

Each digit that is not a square of a positive integer represents a certain letter, one-to-one correspondence.

Each of the other digits represents a concatenation of **2 or 3** letters, at least one of these letters is represented by a non-square digit as well.

The spacing of the phrase was left intact.

What is the advice?