twenty / twelve
twelve
p / b
p
s / z
s
f / v
f
m / n
n
s / z
z
t / d
d
c / k
c
t / d
t
f / v
v
s / z
z
twenty / twelve
twenty
g / k
g
m / n
m
l / r
l
k / c
k
k / g
g