5 letter words:
bortz16,
krubi11,
bruit7,
orbit7,
turbo7,
4 letter words:
zouk17,
ritz13,
zori13,
birk10,
bork10,
turk8,
biro6,
bort6,
bout6,
brio6,
brit6,
brut6,
obit6,
riot4,
roti4,
rout4,
tiro4,
tori4,
tour4,
trio4,
3 letter words:
biz14,
zit12,
kob9,
irk7,
kir7,
kit7,
koi7,
kor7,
bio5,
bit5,
bot5,
bro5,
bur5,
but5,
obi5,
orb5,
rib5,
rob5,
rub5,
tub5,
urb5,
ort3,
our3,
out3,
rot3,
rut3,
tor3,
tui3,
2 letter words:
ki6,
bi4,
bo4,
it2,
oi2,
or2,
ti2,
to2,
ut2,