8 letter words:
protozoa19,
5 letter words:
topaz16,
razoo14,
trooz14,
aport7,
poort7,
porta7,
potoo7,
troop7,
ratoo5,
4 letter words:
orzo13,
tzar13,
zoot13,
atop6,
part6,
poor6,
poot6,
port6,
prao6,
prat6,
proa6,
proo6,
rapt6,
roop6,
tarp6,
topo6,
trap6,
trop6,
rato4,
root4,
rota4,
roto4,
taro4,
tora4,
toro4,
3 letter words:
poz14,
zap14,
azo12,
zoa12,
zoo12,
apo5,
apt5,
oop5,
opt5,
par5,
pat5,
poa5,
poo5,
pot5,
pro5,
rap5,
tap5,
top5,
art3,
oar3,
oat3,
oor3,
oot3,
ora3,
ort3,
rat3,
roo3,
rot3,
tao3,
tar3,
too3,
tor3,
2 letter words:
za11,
zo11,
op4,
pa4,
po4,
ar2,
at2,
oo2,
or2,
ta2,
to2,