6	prenup	5	upper
5	prune	4	rune
4	repp	4	pure
4	prep	4	perp
3	urn	3	run
3	rue	3	rep
3	pur	3	pup
3	pun	3	pre
3	per	3	pep
3	pen	3	ern
2	up	2	un
2	re	2	pe
2	nu	2	ne
2	er	2	en