Five.
78. What are they?
To modify vowels; to modify consonants; to determine signification; to determine origin; and to distinguish words of like signification.
79. What are Explodents?
Those letters whose sound cannot be prolonged.
80. Name the Explodents.
B, D, G, J, P, Q, T, and K.
81. What are the principle organs of speech?
Lips, teeth, tongue, and palate.
82. What is meant by Organical division of the consonants?