5 letter words:
kotow12,
brook11,
iroko9,
koori9,
wroot8,
oobit7,
orbit7,
robot7,
4 letter words:
work11,
birk10,
boko10,
book10,
bork10,
brik10,
kobo10,
bowr9,
brow9,
koro8,
koto8,
rook8,
toko8,
took8,
rowt7,
trow7,
woot7,
wort7,
writ7,
biro6,
bito6,
boor6,
boot6,
bort6,
brio6,
brit6,
broo6,
obit6,
riot4,
root4,
roti4,
roto4,
tiro4,
tori4,
toro4,
trio4,
3 letter words:
kow10,
wok10,
bok9,
kob9,
bow8,
irk7,
kir7,
kit7,
koi7,
kor7,
oik7,
rok7,
owt6,
row6,
tow6,
two6,
wit6,
woo6,
wot6,
bio5,
bit5,
boi5,
boo5,
bor5,
bot5,
bro5,
obi5,
obo5,
orb5,
rib5,
rob5,
oor3,
oot3,
ort3,
rit3,
roo3,
rot3,
too3,
tor3,
2 letter words:
ki6,
ko6,
ow5,
wo5,
bi4,
bo4,
ob4,
io2,
it2,
oi2,
oo2,
or2,
ti2,
to2,