7	needled	6	needle
6	needed	5	ended
5	deled	4	need
4	lend	4	lede
4	dene	4	dele
4	deed	3	nee
3	ned	3	lee
3	led	3	end
3	eld	3	eel
3	den	3	del
3	dee	2	ne
2	en	2	el
2	ee	2	ed
2	de