6	cobber	4	robe
4	core	4	cobb
4	cero	4	bore
4	boer	3	roe
3	roc	3	rob
3	reo	3	rec
3	reb	3	ore
3	orc	3	orb
3	oer	3	obe
3	eco	3	ebb
3	cor	3	cob
3	bro	3	bob
2	re	2	or
2	oe	2	er
2	eo	2	bo
2	be