5	croak	4	rock
4	rack	4	orca
4	okra	4	kora
4	karo	4	cork
4	cark	4	arco
3	roc	3	orc
3	ora	3	oka
3	oca	3	oar
3	oak	3	kor
3	koa	3	cor
3	car	3	ark
3	arc	3	ack
2	or	2	ok
2	ka	2	ar