Syllable division
VCCCV words: three consonants between vowels
The answer
In a VCCCV word, three consonants stand between two vowels. If the last two form a blend, keep it together at the start of the second syllable (hun/dred, chil/dren); if not, split after two (pump/kin). Our lexicon has 58 two-syllable VCCCV words, shown divided.
How does it work?
Three consonants look intimidating, but the decision is small. One consonant always goes with the first syllable to close it. The question is where the other two go. If they make a blend that can start a word, like dr, st or pl, they stay together: hun/dred, mon/ster. If they can't start a word, like pk in pumpkin or pt in empty, the split goes after the second consonant. Our list is split into those two groups. Digraphs count as one consonant, so "kitchen" is not a VCCCV word.
The word lists, divided
Blend starts the second syllable (hun/dred)
| Word | Divided | Readable after |
|---|---|---|
| angry | an/gry | Lesson 74 |
| entry | en/try | Lesson 74 |
| extra | ex/tra | Lesson 67b |
| imply | im/ply | Lesson 73 |
| simply | sim/ply | Lesson 74 |
| central | cen/tral | Lesson 117 |
| complex | com/plex | Lesson 67b |
| extract | ex/tract | Lesson 67b |
| extreme | ex/treme | Lesson 67b |
| hundred | hun/dred | Lesson 67b |
| improve | im/prove | not taught |
| incline | in/cline | Lesson 67b |
| include | in/clude | Lesson 67b |
| install | in/stall | Lesson 67b |
| instant | in/stant | Lesson 67b |
| instead | in/stead | Lesson 94 |
| simpler | sim/pler | Lesson 80 |
| children | chil/dren | Lesson 67b |
| concrete | con/crete | Lesson 67b |
| constant | con/stant | Lesson 67b |
| contract | con/tract | Lesson 67b |
| contrast | con/trast | Lesson 67b |
| entrance | en/trance | Lesson 67b |
| increase | in/crease | Lesson 85 |
| instance | in/stance | Lesson 67b |
| simplest | sim/plest | Lesson 67b |
| employ | em/ploy | Lesson 95 |
| humbly | hum/bly | Lesson 74 |
| hungry | hun/gry | Lesson 74 |
| sundry | sun/dry | Lesson 74 |
| culprit | cul/prit | Lesson 67b |
| exploit | ex/ploit | Lesson 95 |
| impress | im/press | Lesson 67b |
| inflict | in/flict | Lesson 67b |
| inspect | in/spect | Lesson 67b |
| monster | mon/ster | Lesson 80 |
| compress | com/press | Lesson 67b |
| conflict | con/flict | Lesson 67b |
| doctrine | doc/trine | Lesson 67b |
| instinct | in/stinct | Lesson 67b |
| spectrum | spec/trum | Lesson 67b |
| syndrome | syn/drome | not taught |
| wondrous | won/drous | not taught |
| substance | sub/stance | Lesson 67b |
| influx | in/flux | Lesson 67b |
| embrace | em/brace | Lesson 67b |
| empress | em/press | Lesson 67b |
| implore | im/plore | Lesson 78 |
| infringe | in/fringe | Lesson 67b |
| mangrove | man/grove | Lesson 67b |
Split after two consonants (pump/kin)
| Word | Divided | Readable after |
|---|---|---|
| empty | emp/ty | Lesson 74 |
| ghastly | ghast/ly | Lesson 118 |
| handler | hand/ler | Lesson 80 |
| symptom | symp/tom | not taught |
| bankrupt | bank/rupt | Lesson 67b |
| sandwich | sand/wich | Lesson 67b |
| pumpkin | pump/kin | Lesson 67b |
| plankton | plank/ton | Lesson 67b |
How do you teach it?
Teach VCCCV once VCCV is automatic. Students mark the vowels, box the three consonants and ask: can the last two start a word? They test it aloud at the start of a made-up word: "dr" as in drum works; "pk" doesn't.
"'Children'. Vowels: i, e. Between them: l, d, r. Three consonants. Can 'dr' start a word? Yes, like drum. So d and r stay together: chil/dren. 'Chil', then 'dren'. Children."
What is the common error, and the fix?
Students split in the middle of a blend ("hund-red") or freeze at the cluster. The fix is the start-of-word test. If the last two consonants can begin a word, they begin the second syllable.
Sort it: a hands-on activity
Give students VCCCV cards and a short list of blends that start words. They split each word, check the opening of the second syllable against the list, and sort into "blend kept together" and "split after two".
How this list was built
Every word comes from our lexicon of about 19,000 common words, each checked against a pronouncing dictionary and split into spelling units. Words a student meets in our assessments and progress-monitoring probes are left out, so practicing a list never rehearses a test. The lexicon gives syllable counts but not boundaries, so each split is worked out from the consonant and vowel units between the first two vowel sounds, using a long or short first vowel to choose V/CV or VC/V, and checked by hand. Words where that method is unreliable are left out. Compound splits come from the two words that make up the compound.
"Readable after" is the first lesson in the lesson sequence at which our decodability engine finds every sound-spelling in the word taught; "not taught" means the word has a spelling the sequence does not cover, so it is read with help. You can check your own lists and passages with the free decodable text checker.
Questions people ask
What does VCCCV mean?
Vowel, three consonants, vowel. It describes words like hundred and pumpkin, where the question is how to split the three consonants.
How do you know which consonants stay together?
Ask whether the last two can start an English word. Dr, st, pl and tr can (drum, stop, plan, trip), so they stay together. If they can't, split after the second consonant: pump/kin, emp/ty.
Is every three-consonant cluster divided the same way?
No, which is why the test matters. Our list has 50 words that keep a blend together and 8 that split after two consonants.