Details, Fiction and UPS
the diphthong /eɪ/ as in ace and main, normally when ⟨a⟩ is followed by a single, or at times two, consonants after which A different vowel letter—this results from Middle English lengthening followed by the Great Vowel ShiftWithin the Worldwide Phonetic Alphabet, ⟨a⟩ is useful for the open entrance unrounded vowel, ⟨ä⟩ is utilized