6	fervor	5	rover
5	frore	4	rove
4	over	4	orfe
4	froe	4	fore
3	voe	3	roe
3	rev	3	reo
3	ref	3	orf
3	ore	3	oer
3	fro	3	for
3	foe	3	fer
3	err	3	erf
2	re	2	or
2	of	2	oe
2	fe	2	er
2	eo	2	ef