GUARD RAIL OPTIONS

the diphthong /eɪ/ as in ace and main, ordinarily when ⟨a⟩ is followed by a person, or occasionally two, consonants and then another vowel letter—this success from Middle English lengthening accompanied by the Great Vowel Shift: the one of the 4 ABO blood groups characterised from the existence of antigens specified with the letter A and thr