Basic rules.
All letters are pronunced the same no matter where they are in a word. There are no exceptions on how a letter is pronounced.
First learn the Letters
Letter What it sounds like.
a as in the marble
b as in bottle.
e as in bed
n as in nun
d as in dad
Some words
baba - father
anne - mother
nene - grandmother
dede - grandfather
Thats enough for tonight.