7	addenda	6	addend
5	danda	5	added
4	nada	4	dean
4	dead	4	dada
4	adda	3	ned
3	nae	3	end
3	den	3	dan
3	dad	3	ane
3	and	3	ana
3	add	2	ne
2	na	2	en
2	ed	2	de
2	da	2	an
2	ae	2	ad
2	aa