5 letter words:
combo11,
coomb11,
4 letter words:
bock12,
mock12,
boko10,
book10,
comb10,
cook10,
kobo10,
moko10,
mook10,
boom8,
coom8,
3 letter words:
bok9,
kob9,
cob7,
mob7,
moc7,
boo5,
coo5,
moo5,
obo5,
oom5,
2 letter words:
ko6,
bo4,
mo4,
ob4,
om4,
oo2,