Synesthesia

My friend Michael Lorenzo, has colour-graphemic synaesthesia:

He explained it to me with this chart.

a red
b blue
c green
d indigo/violet
e light blue
f dark red/brown
g fuchia
h indigo
I indigo (darker than h)
j dark red
k yellow or green
l brown
m brownish yellow
n pink
o black
p green
q dark green or dark purple
r green
s brown
t yellow
u midnight blue
v a deep blue. let's say cerulean
w yellow
x yellow
y black
z black
1 red
2 blue
3 green
4 yellow or green
5 dark red or brown
6 violet
7 yellow
8 black
9 deep purple
0 blue or black

I have synesthesia too, but different symptoms.