D
Is uniform in its sound, as death, diligent.
It is used before r, as draw, dross; and w as dwell.
F.
F, though having a name beginning with a vowel, is numbered by the grammarians among the semivowels, yet has this quality of a mute, that it is commodiously sounded before a liquid, as flask, fry, freckle. It has an unvariable sound, except that of is sometimes spoken nearly as ov.