Write SQL query to solve given problem: What are the titles of the top 5 Catalan language Wikipedia page with the least number of different words? Indicate each title's word id that has appeared the most in the said pages.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.title FROM pages AS T1 INNER JOIN pages_words AS T2 ON T1.pid = T2.pid ORDER BY T1.words LIMIT 5