Problem
|
Vowels
|
Front
|
Back
|
|
|
Unrounded
|
Rounded
|
Unrounded
|
Rounded
|
|
high
|
i
|
y
|
?
|
u
|
|
mid
|
e
|
ø
|
?
|
o
|
|
low
|
æ
|
?
|
?
|
?
|
A. Find as many natural classes as you can that have four members. List them, and de?ne the natural class using features.
B. Find as many natural classes as you can that have six members. List them, and de?ne the natural class using features.
C. Find as many natural classes as you can that have eight members. List them, and de?ne the natural class using features.
D. Find as many natural classes as you can that have ?ve members. Explain why [y, e] is not a natural class.