9 letter words:
hollowing16,
8 letter words:
holloing12,
7 letter words:
howling14,
6 letter words:
hollow12,
holing10,
lowing10,
oohing10,
owling10,
wooing10,
logion7,
loligo7,
looing7,
olingo7,
5 letter words:
nohow11,
hoing9,
hongi9,
ohing9,
owing9,
wongi9,
hillo8,
hollo8,
holon8,
igloo6,
lingo6,
login6,
logoi6,
logon6,
lolog6,
4 letter words:
whig11,
howl10,
whin10,
whio10,
glow8,
gnow8,
gowl8,
gown8,
hing8,
hong8,
nigh8,
wing8,
hill7,
hoon7,
lown7,
nowl7,
will7,
wino7,
wool7,
woon7,
gill5,
gool5,
goon5,
ingo5,
ling5,
logo5,
long5,
lilo4,
lino4,
lion4,
loin4,
loon4,
nill4,
noil4,
noll4,
nolo4,
olio4,
3 letter words:
how9,
who9,
ghi7,
hog7,
wig7,
wog7,
hin6,
hoi6,
hon6,
hoo6,
low6,
noh6,
now6,
oho6,
ooh6,
owl6,
own6,
win6,
won6,
woo6,
gin4,
gio4,
gon4,
goo4,
lig4,
log4,
nog4,
ill3,
ion3,
lin3,
loo3,
nil3,
noo3,
oil3,
ono3,
oon3,
2 letter words:
hi5,
ho5,
oh5,
ow5,
wo5,
gi3,
go3,
in2,
io2,
li2,
lo2,
no2,
oi2,
on2,
oo2,