6	flexed	4	lede
4	flex	4	flee
4	fled	4	feel
4	feed	4	delf
4	dele	3	lex
3	lee	3	led
3	fee	3	fed
3	elf	3	eld
3	eel	3	dex
3	del	3	def
3	dee	2	fe
2	ex	2	el
2	ef	2	ee
2	ed	2	de