6	poorer	5	roper
5	repro	4	rope
4	repo	4	pore
4	poor	4	ooer
3	roo	3	roe
3	rep	3	reo
3	pro	3	pre
3	poo	3	per
3	ore	3	ope
3	oer	3	err
2	re	2	po
2	pe	2	or
2	op	2	oo
2	oe	2	er
2	eo