a  1 6
b  1.1 6.8
c  1.2 6.3
d  1.5 6.9
e  1.3 6.2
f  1.5 6.1
g  1.4 6.2
h  1.9 6.7
i  1.3 6.1
j  2 3
k  2.4 3.4
l  2.1 3.8
m  2.9 3.1
n  2.6 3.5
o  2.5 3.6
p  2.2 3.9
q  2.7 3.5
r  2.3 3.4
s  11 12
t  11.2 12.3
u  11.8 12.6
v  11.1 12.9
w  11.3 12.4
x  11.7 12.1
y  11.6 12.8
z  17.1 11