the diphthong /e?/ as in ace and key, usually when ?a? is followed by a single, or at times two, consonants after which you can another vowel letter—this results from Middle English lengthening accompanied by the Great Vowel ShiftaA bA cA dA eA fA gA hA iA jA kA lA mA nA oA pA qA rA sA tA uA vA wA xA yA zAPamantasan ng Lungsod ng Muntinlupa is a