9 letter words:
protozoal20,
8 letter words:
protozoa19,
6 letter words:
apolog9,
prolog9,
ragtop9,
patrol8,
portal8,
agorot7,
galoot7,
gooral7,
5 letter words:
plotz16,
topaz16,
gazoo15,
trooz14,
galop8,
pargo8,
aport7,
orlop7,
parol7,
polar7,
troop7,
algor6,
argol6,
argot6,
gator6,
gloat6,
goral6,
groat6,
largo6,
tolar5,
4 letter words:
orzo13,
tzar13,
glop7,
goop7,
gorp7,
prog7,
atop6,
loop6,
opal6,
part6,
plat6,
plot6,
polo6,
pool6,
poor6,
port6,
prao6,
prat6,
proa6,
rapt6,
tarp6,
topo6,
trap6,
trop6,
gaol5,
goal5,
goat5,
grat5,
grot5,
logo5,
toga5,
trog5,
alto4,
loot4,
lota4,
oral4,
rato4,
root4,
rota4,
rotl4,
roto4,
taro4,
tola4,
tool4,
tora4,
toro4,
3 letter words:
zap14,
zag13,
azo12,
zoa12,
zoo12,
gap6,
alp5,
apo5,
apt5,
lap5,
lop5,
opt5,
pal5,
par5,
pat5,
pol5,
poo5,
pot5,
pro5,
rap5,
tap5,
top5,
ago4,
gal4,
gar4,
gat4,
goa4,
goo4,
gor4,
got4,
lag4,
log4,
rag4,
tag4,
tog4,
alt3,
art3,
lar3,
lat3,
loo3,
lot3,
oar3,
oat3,
oot3,
ora3,
ort3,
rat3,
rot3,
tao3,
tar3,
too3,
tor3,
2 letter words:
za11,
op4,
pa4,
ag3,
go3,
al2,
ar2,
at2,
la2,
lo2,
or2,
ta2,
to2,