How to create a database for selection of correct letters to form a word (answer) for a quiz type android game?

http://ift.tt/1Eab6K7

My game is very similar to this game named "Riddle Me That" but it's in another language. The design part is complete and I've implemented the buttons and all but how should I create the database to implement it in the app? I'm using SQLite to create the database. In a table I've created a question column and answer column. Now since the answer needs to be formed using combination of letters that is to be input by users (please see the link above), I'm really confused on how to make the database. Please help!