6	potato	5	potto
4	toto	4	topo
4	toot	4	poot
4	otto	4	atop
3	tot	3	top
3	too	3	tat
3	tap	3	tao
3	pot	3	poo
3	pat	3	opt
3	oot	3	oat
3	att	3	apt
2	to	2	ta
2	po	2	pa
2	op	2	oo
2	at