9 letter words:
concaving17,
7 letter words:
canonic11,
6 letter words:
caving12,
coving12,
cognac11,
cocain10,
agonic9,
caning9,
coning9,
5 letter words:
covin10,
vinca10,
conic9,
acing8,
avion8,
coign8,
conga8,
incog8,
ancon7,
canon7,
conin7,
gonia6,
anion5,
4 letter words:
coca8,
vagi8,
vang8,
viga8,
nova7,
vain7,
vina7,
vino7,
cain6,
ciao6,
cion6,
coin6,
coni6,
conn6,
icon6,
agin5,
agio5,
agon5,
gain5,
anon4,
naoi4,
nona4,
3 letter words:
vac8,
vig7,
avo6,
cig6,
cog6,
ova6,
van6,
via6,
can5,
con5,
oca5,
ago4,
gan4,
gin4,
goa4,
nag4,
nog4,
ain3,
ani3,
inn3,
ion3,
nan3,
2 letter words:
ag3,
go3,
ai2,
an2,
in2,
na2,
no2,
oi2,
on2,