In this mannar there are various chaupai (verses) that can be formed starting from each alphabet of the chart.The chart's prashnavali chart image is shown here.The actual chart to ask questions containing individual alphabets is shown on the top of this page.
This verse gives the answer to your question. When you return to the original alphabet a full verse is formed. Lord Rams wife Sita wasnt King Janaks own daughter.
But here are some interesting facts of Ramayan that are rarely mentioned in the broad narrative. Every 9th alphabet in the prashnavali chart is added up to form a verse (Chaupai). We know the love share between the half-siblings Ram, Laxman and Bharat (though Laxmans brother Shatrughan is given much less space in the narrative). It is a 15 by 15 matrix containing alphabets of various verses of the Ramcharitmanas. The Ramcharitmanas Ram Shalaka Prashnavali Chart The chart has 225 squares. Ramcharitmanas Prashnavali is available in both Hindi and English.This app is recommended because of it's easy to use interface and design.