5	pecan	4	pean
4	pane	4	pace
4	neap	4	nape
4	capn	4	cape
4	cane	4	acne
3	pen	3	pec
3	pea	3	pan
3	pac	3	nap
3	nae	3	cep
3	cap	3	can
3	ape	3	ane
3	ace	2	pe
2	pa	2	ne
2	na	2	en
2	an	2	ae