Submarine Spelling Practice is an online game at 43g.Com. You can play Submarine Spelling Practice in your browser for free.Let Spelly Spellican help you practice the Dolch Sight Words! First, make sure your sound is on, then choose one of the following word lists: Preprimer, Primer, First, Second, or Third. Correctly spell all of the words that you hear, and have fun exploring the ocean depths!