6	coombe	5	coomb
5	combo	5	combe
4	oboe	4	moob
4	mobo	4	mobe
4	come	4	comb
4	boom	3	oom
3	obe	3	moo
3	moc	3	mob
3	emo	3	eco
3	coo	3	cob
3	boo	2	oo
2	om	2	oe
2	mo	2	me
2	eo	2	em
2	bo	2	be