List # and Skill
# 1: words with long and short a
# 2: words with long and short e
# 3: words with long and short i
# 4: words with long and short o and u
# 5: words with /ōō/ (like shoot)
# 6: words with /är/ (like car)
# 7: words with the /ôr/ sound (like snore)
# 8: words with the /âr/ sound (like care)
# 9: words with the /ûr/ sound (like burn)
# 10: words with /ou/ (like pound)
# 11: words with /oi/ (like coil)
# 12: plurals
# 13: possessive nouns
# 14: commonly misspelled words
# 15: words with ei, ie, and eigh
# 16: words that end with -y or -ey
# 17: prefixes un- and dis-
# 18: prefixes non-, in-, and re-
# 19: changing y to i
# 20: suffixes -ion, -ness, -able, -less, and -ful
# 21: words with /
# 22: words with /
# 23: words with /
# 24: adding -ed and -ing
# 25: words with silent letters
# 26: contractions
# 27: homophones
# 28: VCCV (vowel-consonant-consonant-vowel)
# 29: VCV (vowel-consonant-vowel)
# 30: words with three syllables