6	prolog	5	orlop
5	gloop	4	prog
4	poor	4	pool
4	polo	4	pogo
4	loop	4	logo
4	gorp	4	goop
4	glop	3	roo
3	pro	3	poo
3	pol	3	lop
3	loo	3	log
3	gor	3	goo
2	po	2	or
2	op	2	oo
2	lo	2	go