5 letter words:
avion8,
invar8,
ravin8,
noria5,
4 letter words:
arvo7,
nova7,
vain7,
vair7,
vina7,
vino7,
airn4,
inro4,
iron4,
naoi4,
noir4,
nori4,
rain4,
rani4,
roan4,
3 letter words:
avo6,
ova6,
van6,
var6,
via6,
ain3,
air3,
ani3,
ion3,
nor3,
oar3,
ora3,
rai3,
ran3,
ria3,
rin3,
2 letter words:
ai2,
an2,
ar2,
in2,
na2,
no2,
oi2,
on2,
or2,