6 letter words:
forhow15,
5 letter words:
whoof14,
4 letter words:
howf13,
frow10,
hoof10,
woof10,
roof7,
3 letter words:
foh9,
how9,
who9,
wof9,
for6,
fro6,
hoo6,
oho6,
oof6,
ooh6,
orf6,
rho6,
row6,
woo6,
oor3,
roo3,
2 letter words:
ho5,
of5,
oh5,
ow5,
wo5,
oo2,
or2,