Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Jola (French: Diola; Jola: Joola), also called Jola-Fonyi (French: Diola-Fogny) and Kujamataak, is a language spoken by 475,000 people in the Casamance region of Senegal, and neighboring countries. Jola-Fonyi is one of several closely related Jola languages spoken in the area.
In Senegal, the decree No. 2005-981 created the official orthography of Jola.
Jola Alphabet (Senegal)
Uppercase
A
B
C
D
E
F
G
H
I
J
K
L
M
N
Ñ
Ŋ
O
P
R
S
T
U
W
Y
Lowercase
a
b
c
d
e
f
g
h
i
j
k
l
m
n
ñ
ŋ
o
p
r
s
t
u
w
y
Long vowels are indicated by doubling the letter: <aa ee ii oo uu>. The acute accent over a vowel <á é í ó ú> indicates that the advanced and retracted tongue root for that vowel and the other vowels of the words by vowel harmony.
Sapir, David J. (1965). A Grammar of Diola-Fogny: A Language Spoken in the Basse-Casamance Region of Senegal. Cambridge: Cambridge University Press.
Bibliography
Hopkins, Bradley L. 1995. Contribution à une etude de la syntaxe Diola-Fogny. Cahiers de Recherche Linguistique, 4. Dakar: Société Internationale de Linguistique.
Hopkins, Bradley and Elizabeth Hopkins. 1992. Apprentissage de la langue Diola-Fogny: Un cours pratique. Dakar: Société Internationale de Linguistique.