Planet 1: Short Vowels
Planet 2: Initial Consonant Pairs and Blends
Planet 3: Final Consonant Pairs and Blends
Planet 4: Long Vowels
Planet 5: Vowel Pairs
Planet 6: Tricky Letter Combos & Silent Letters
Planet 7: Commonly-Used Words
Planet 8: Plurals, Homophones
Planet 9: Verbs
Planet 10: Compound Words and Contractions
Planet 11: Prefixes and Suffixes