4 letter words:
bozo15,
zobo15,
zoot13,
boko10,
book10,
kobo10,
kolo8,
koto8,
look8,
toko8,
took8,
blot6,
bolo6,
bolt6,
bool6,
boot6,
lobo6,
obol6,
loot4,
loto4,
tool4,
3 letter words:
zol12,
zoo12,
bok9,
kob9,
boo5,
bot5,
lob5,
obo5,
loo3,
lot3,
oot3,
too3,
2 letter words:
zo11,
ko6,
bo4,
ob4,
lo2,
oo2,
to2,