the diphthong /e?/ as in ace and main, ordinarily when ⟨a⟩ is accompanied by just one, or from time to time two, consonants then another vowel letter—this effects from Center English lengthening followed by The good Vowel Change aA bA cA dA eA fA gA hA iA jA kA lA mA nA oA pA qA r