5 letter words:
tophi10,
4 letter words:
phiz18,
koph13,
kith11,
phot9,
pith9,
toph9,
thio7,
topi6,
3 letter words:
fiz15,
zip14,
zit12,
khi10,
kif10,
foh9,
kip9,
kop9,
fop8,
hip8,
hop8,
phi8,
pht8,
poh8,
kit7,
koi7,
fit6,
hit6,
hot6,
oft6,
tho6,
opt5,
pit5,
poi5,
pot5,
tip5,
top5,
2 letter words:
ki6,
hi5,
ho5,
if5,
of5,
oh5,
op4,
pi4,
it2,
oi2,
ti2,
to2,