The purpose of this phase is to teach 15 long vowel and 'r' controlled digraphs and apply this knowledge in reading and writing cvc words:
ai /ai/, ee /ee/, igh /igh/, oa /oa/, oi /oi/, oo /o-o/, oo /oo/, ow /ow/, ar /ar/, air /air/, ear /ear/, ur /ur/, or /or/, ure /ure/,
er /schwa/
