6	exopod	5	poxed
5	pooed	4	pood
4	pedo	4	opex
4	oped	4	expo
4	dope	3	pox
3	poo	3	pod
3	ped	3	oxo
3	ope	3	ode
3	dox	3	dop
3	doe	3	dex
2	po	2	pe
2	ox	2	op
2	oo	2	oe
2	od	2	ex
2	eo	2	ed
2	do	2	de