9 letter words:
vacuation14,
8 letter words:
vacation13,
7 letter words:
autovac12,
auction9,
caution9,
6 letter words:
atavic11,
incavo11,
vacant11,
vicuna11,
avanti9,
avaunt9,
action8,
anicut8,
atocia8,
atonic8,
cation8,
coaita8,
nautic8,
noctua8,
toucan8,
tunica8,
atonia6,
5 letter words:
covin10,
vacua10,
vatic10,
vinca10,
avant8,
avian8,
avion8,
vaunt8,
actin7,
acton7,
antic7,
canto7,
coati7,
conia7,
cotan7,
count7,
cutin7,
incut7,
octan7,
ontic7,
tacan7,
tonic7,
tunic7,
uncia7,
tauon5,
tuina5,
4 letter words:
cava9,
nova7,
tava7,
vain7,
vant7,
vatu7,
vaut7,
vina7,
vino7,
vint7,
vita7,
acai6,
acta6,
atoc6,
cain6,
cant6,
ciao6,
cion6,
cito6,
coat6,
coin6,
coit6,
coni6,
cuit6,
cunt6,
icon6,
octa6,
otic6,
taco6,
unci6,
unco6,
aitu4,
anoa4,
anta4,
anti4,
atua4,
aunt4,
auto4,
into4,
iota4,
naoi4,
nota4,
nout4,
oint4,
tain4,
tana4,
toun4,
tuan4,
tuna4,
unai4,
unit4,
unto4,
3 letter words:
vac8,
ava6,
avo6,
ova6,
tav6,
uva6,
van6,
vat6,
vau6,
via6,
vin6,
act5,
caa5,
can5,
cat5,
cit5,
con5,
cot5,
cut5,
oca5,
tic5,
toc5,
aia3,
ain3,
ait3,
ana3,
ani3,
ant3,
aua3,
ion3,
ita3,
nat3,
nit3,
not3,
nut3,
oat3,
out3,
tai3,
tan3,
tao3,
tau3,
tin3,
ton3,
tui3,
tun3,
uni3,
uta3,
2 letter words:
aa2,
ai2,
an2,
at2,
in2,
io2,
it2,
na2,
no2,
nu2,
oi2,
on2,
ou2,
ta2,
ti2,
to2,
un2,
ut2,