5 letter words:
combo11,
coomb11,
4 letter words:
back12,
bock12,
mack12,
mock12,
amok10,
boak10,
boko10,
book10,
comb10,
cook10,
kobo10,
mako10,
moko10,
mook10,
ambo8,
boma8,
boom8,
camo8,
coma8,
coom8,
3 letter words:
bok9,
kab9,
kam9,
kob9,
mak9,
bac7,
bam7,
cab7,
cam7,
cob7,
koa7,
mac7,
mob7,
moc7,
oak7,
oka7,
abo5,
boa5,
boo5,
coo5,
moa5,
moo5,
oba5,
obo5,
oca5,
oom5,
2 letter words:
ka6,
ko6,
ab4,
am4,
ba4,
bo4,
ma4,
mo4,
ob4,
om4,
oo2,