Words and Phrases - "one of main purposes"

a
89
b
44
c
81
d
56
e
40
f
31
g
20
h
15
i
75
j
2
k
2
l
32
m
57
n
26
o
38
p
81
q
3
r
78
s
93
t
47
u
16
v
10
w
23
y
2