(disregard the challenge words listed on the Harcourt site)

words with long and short a

words with long and short e

words with long and short i

words with long and short o and u

words with /ōō/ (like shoot)

words with /är/ (like car)

words with the /ôr/ sound (like snore)

words with the /âr/ sound (like care)

words with the /ûr/ sound (like burn)

words with /ou/ (like pound)

words with /oi/ (like coil)

plurals

possessive nouns

commonly misspelled words

words with ei, ie, and eigh

words that end with -y or -ey

prefixes un- and dis-

prefixes non-, in-, and re-

changing y to i

suffixes -ion, -ness, -able, -less, and -ful

words with /ər/

words with /əl/ sound

words with /ən/

adding -ed and -ing

words with silent letters

contractions

homophones

VCCV (vowel-consonant-consonant-vowel)

VCV (vowel-consonant-vowel)

words with three syllables