6 letter words:
brooks12,
irokos10,
5 letter words:
kiosk13,
kirks13,
kooks13,
birks11,
books11,
borks11,
brisk11,
brook11,
kobos11,
iroko9,
rooks9,
biros7,
boors7,
brios7,
broos7,
4 letter words:
kirk12,
kook12,
birk10,
bisk10,
book10,
bork10,
bosk10,
kobo10,
kobs10,
irks8,
kirs8,
kois8,
kors8,
kris8,
risk8,
rook8,
sook8,
bios6,
biro6,
boor6,
boos6,
brio6,
bris6,
broo6,
bros6,
obis6,
orbs6,
ribs6,
robs6,
sorb6,
sori4,
3 letter words:
kob9,
irk7,
kir7,
kis7,
koi7,
kor7,
kos7,
ski7,
bio5,
bis5,
boo5,
bos5,
bro5,
obi5,
orb5,
rib5,
rob5,
sib5,
sob5,
ors3,
sir3,
sri3,
2 letter words:
ki6,
bi4,
bo4,
is2,
oi2,
or2,
os2,
si2,
so2,