6 letter words:
airbus8,
bursas8,
sabirs8,
urbias8,
5 letter words:
abris7,
basis7,
bassi7,
brass7,
briss7,
buras7,
bursa7,
isbas7,
sabir7,
subas7,
urbia7,
arsis5,
auris5,
risus5,
saris5,
suras5,
4 letter words:
abri6,
arbs6,
bars6,
bass6,
bias6,
bras6,
bris6,
bura6,
burs6,
buss6,
ibis6,
isba6,
ribs6,
rubs6,
sabs6,
sibs6,
suba6,
subs6,
urbs6,
airs4,
iris4,
rais4,
rias4,
sari4,
sirs4,
sris4,
sura4,
ursa4,
3 letter words:
abs5,
arb5,
bar5,
bas5,
bis5,
bra5,
bur5,
bus5,
rib5,
rub5,
sab5,
sib5,
sub5,
urb5,
air3,
ais3,
ars3,
ass3,
rai3,
ras3,
ria3,
sau3,
sir3,
sis3,
sri3,
2 letter words:
ab4,
ba4,
bi4,
ai2,
ar2,
as2,
is2,
si2,
us2,