the diphthong /e?/ as in ace and big, usually when ⟨a⟩ is followed by a single, or often two, consonants and then Yet another vowel letter—this effects from Center English lengthening followed by the Great Vowel Change aA bA cA dA eA fA gA hA iA jA kA lA mA nA oA pA qA rA sA tA uA