7	bollock	5	block
4	obol	4	look
4	loco	4	lock
4	lobo	4	kolo
4	kobo	4	cool
4	cook	4	book
4	bolo	4	boll
4	bolk	4	bock
4	bloc	3	loo
3	lob	3	kob
3	coo	3	col
3	cob	3	boo
2	oo	2	ok
2	lo	2	bo