6 letter words:
arriba8,
barrat8,
rubati8,
5 letter words:
barra7,
braai7,
briar7,
bruit7,
rabat7,
rubai7,
tubar7,
urbia7,
aarti5,
atria5,
aurar5,
raita5,
riata5,
taira5,
tiara5,
urari5,
4 letter words:
abri6,
abut6,
arba6,
bait6,
baur6,
birr6,
brat6,
brit6,
brut6,
buat6,
bura6,
burr6,
rabi6,
riba6,
tabi6,
tabu6,
tuba6,
airt4,
aitu4,
arar4,
aria4,
arti4,
atua4,
aura4,
raia4,
rait4,
rata4,
ratu4,
tara4,
tiar4,
tirr4,
3 letter words:
aba5,
arb5,
baa5,
bar5,
bat5,
bit5,
bra5,
brr5,
bru5,
bur5,
but5,
rib5,
rub5,
tab5,
tub5,
urb5,
aia3,
air3,
ait3,
art3,
aua3,
ita3,
rai3,
rat3,
ria3,
rit3,
rut3,
tai3,
tar3,
tau3,
tui3,
uta3,
2 letter words:
ab4,
ba4,
bi4,
aa2,
ai2,
ar2,
at2,
it2,
ta2,
ti2,
ur2,
ut2,