5 letter words:
matzo16,
motif10,
afoot8,
4 letter words:
mozo15,
zoom15,
ziti13,
foam9,
fiat7,
foot7,
atom6,
moat6,
moot6,
omit6,
toom6,
iota4,
3 letter words:
fiz15,
azo12,
zit12,
zoa12,
zoo12,
aft6,
fat6,
fit6,
oaf6,
oft6,
aim5,
ami5,
mat5,
moa5,
moo5,
mot5,
tam5,
tom5,
ait3,
oat3,
oot3,
tao3,
too3,
2 letter words:
za11,
fa5,
if5,
of5,
am4,
ma4,
mi4,
mo4,
om4,
ai2,
at2,
it2,
oi2,
ta2,
ti2,
to2,