f_n
fan
v_n
van
fr_g
frog
z_p
zip
p_n
pan
r_d
red
s_t
sit
b_s
bus
s_d
sad
r_t
rat
b_g
bug
s_n
sun
h_t
hat
n_t
net
b_x
box
t_b
tub
t_n
tin
t_n
ten
r_g
rug
p_g
pig
c_t
cat
m_g
mug
d_g
dog
p_n
pin
b_d
bed