6	popper	4	rope
4	repp	4	repo
4	prop	4	prep
4	pore	4	pope
4	perp	4	pepo
3	roe	3	rep
3	reo	3	pro
3	pre	3	pop
3	per	3	pep
3	ore	3	ope
3	oer	2	re
2	po	2	pe
2	or	2	op
2	oe	2	er
2	eo