Write SQL query to solve given problem: What is the total occurrence of the biwords pairs with "àbac" as its first word?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T2.w1st) FROM words AS T1 INNER JOIN biwords AS T2 ON T1.wid = T2.w1st INNER JOIN words AS T3 ON T3.wid = T2.w2nd WHERE T1.word = 'àbac'