Review the combinations below and write the diphthong or long vowel that results. α + ε = ο + ο = α + ι = ο + ε = α + ο = ε + ι = ε + ε = ε + ο = ο + ι = α + α = α + υ = υ + ι = ε + α = ε + υ = ο + α = ο + υ = article Nav 2. Greek Consonants: Key Terms and Concepts