Instructions Tap the button Use the or to brainstorm at least 10 words with the /o/ sound. Use the to underline or to highlight the grapheme that make the sound. Remember the o sound can be represented by many graphemes - o, oa, au, a Tap the to record yourself reading the words. Click the button to add to your journal for the teacher to view. Reminders /o/ is a quick sound. It is a vowel sound, so nothing gets in the way of the air coming out. To say the sound lower your jaw a large amount, with the sides of your lips drawn in to create a little circle with your mouth. Pull your tongue backwards in the bottom of your mouth and turn your voice on.