5	crash	5	chars
4	scar	4	rash
4	rahs	4	char
4	cash	4	cars
4	arcs	4	arch
3	sha	3	sac
3	ras	3	rah
3	has	3	hac
3	cha	3	car
3	ash	3	ars
3	arc	3	ahs
3	ach	2	sh
2	ha	2	as
2	ar	2	ah