5 letter words:
kazoo18,
lazar14,
karoo9,
koala9,
kraal9,
4 letter words:
razz22,
orzo13,
arak8,
kola8,
kolo8,
kora8,
lark8,
look8,
okra8,
rook8,
alar4,
oral4,
3 letter words:
azo12,
zoa12,
zoo12,
ark7,
koa7,
kor7,
oak7,
oka7,
aal3,
ala3,
lar3,
loo3,
oar3,
ora3,
2 letter words:
za11,
ka6,
aa2,
al2,
ar2,
la2,
lo2,
or2,