I
Ọ
- A
- A
  - A
    - S
    - S
    - S
    - S
    - S
    - S
- S
- S
- S
- S
- S
- S
- S
I
F
N
P

I
P

P

O

G

F

+

I

s / s

A

N

K

B

I

I

N
+
s
s

A

Ọ
N
P
F

I

A
A

A

S
S
S
S
S
S
S

A

2

A

2

S

2

N

©

L