8 letter words:
bootikin14,
7 letter words:
biotron9,
6 letter words:
kouroi10,
krooni10,
biniou8,
biotin8,
bonito8,
bouton8,
buriti8,
burton8,
unboot8,
notour6,
turion6,
unroot6,
5 letter words:
boink11,
brink11,
brook11,
bunko11,
konbu11,
krubi11,
iroko9,
knout9,
koori9,
korun9,
kroon9,
tronk9,
trunk9,
binit7,
biont7,
bitou7,
boron7,
bourn7,
bruin7,
bruit7,
brunt7,
burin7,
burnt7,
buroo7,
inorb7,
obiit7,
oobit7,
orbit7,
oribi7,
oubit7,
robin7,
robot7,
rubin7,
turbo7,
intro5,
nitro5,
nooit5,
outro5,
roton5,
rutin5,
torii5,
4 letter words:
bink10,
birk10,
boko10,
bonk10,
book10,
bork10,
bouk10,
brik10,
buik10,
bunk10,
burk10,
knob10,
knub10,
kobo10,
ikon8,
kino8,
kirn8,
knit8,
knot8,
knur8,
knut8,
koro8,
koru8,
koto8,
kuri8,
kuti8,
nook8,
nork8,
oink8,
rink8,
rook8,
tiki8,
tink8,
toko8,
tonk8,
took8,
touk8,
turk8,
bint6,
biro6,
bito6,
boon6,
boor6,
boot6,
born6,
bort6,
boun6,
bout6,
brin6,
brio6,
brit6,
broo6,
brut6,
bunt6,
burn6,
obit6,
inro4,
inti4,
into4,
iron4,
noir4,
nori4,
nout4,
oint4,
onto4,
oont4,
ourn4,
riot4,
roin4,
ront4,
roon4,
root4,
roti4,
roto4,
rout4,
ruin4,
runt4,
tiro4,
toon4,
tori4,
torn4,
toro4,
toun4,
tour4,
trin4,
trio4,
tron4,
turn4,
unit4,
unto4,
3 letter words:
bok9,
kob9,
ink7,
irk7,
kin7,
kir7,
kit7,
koi7,
kon7,
kor7,
oik7,
ouk7,
rok7,
bin5,
bio5,
bit5,
boi5,
bon5,
boo5,
bor5,
bot5,
bro5,
bru5,
bun5,
bur5,
but5,
nib5,
nob5,
nub5,
obi5,
obo5,
orb5,
rib5,
rob5,
rub5,
tub5,
urb5,
ion3,
nit3,
noo3,
nor3,
not3,
nur3,
nut3,
ono3,
oon3,
oor3,
oot3,
ort3,
our3,
out3,
rin3,
rit3,
roo3,
rot3,
run3,
rut3,
tin3,
ton3,
too3,
tor3,
tui3,
tun3,
uni3,
urn3,
2 letter words:
ki6,
ko6,
bi4,
bo4,
ob4,
in2,
io2,
it2,
no2,
nu2,
oi2,
on2,
oo2,
or2,
ou2,
ti2,
to2,
un2,
ur2,
ut2,