The doctor says, “Say aah.” Why aah? Why not ooh or eee? Because if you say ooh your lips are pursed, and if you say eee your teeth are clenched. Neither of which is good if you want to look into somebody's open mouth.

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Crust tartareous or leprose uneven pulverulent, Apothecia roundish dissimilar waved plaited tortuose and variously expanded in the disk

Hart, Audley [Ref 3] and Warmbrod [Ref 8] have tried to devise criteria that address the issues raised by the nay sayers and that include simplicity, testability, evolutionarity, resilience, demonstratability, separability (fault isolation) etc.