a	o	o	opp
b	obs	obs	opp
c	obs	obs	orb
d	oct	oct	orc
e	oct	oct	org
f	oes	oes	org
g	oet	oet	orn
h	ois	ois	orn
i	ois	ois	osc
j	omb	omb	osc
k	omb	omb	oua
l	ont	ont	oua
m	ont	ont	ouv
n	opp		ouv
o	opp		ozu
p	orb
q	orc
r	org
s	org
t	orn
u	orn
v	osc
w	osc
x	oua
y	oua
z	ouv
	ouv
	ozu