- Place letters into the grid such that every row, column, and 2x2 block has letters (in any order) that form a common word.
- Each letter is only used once, and no letter is repeated in the rows / cols / blocks.
- Letters allowed: S O N A T A.
| R | E | ||
| B | S | W | |
| K | R | E | |
| P | Z |
Puzzle Copyright © Alan Stillson and Frank Longo