5	koris	4	sori
4	risk	4	oiks
4	kris	4	kors
4	kori	4	kois
4	kirs	4	irks
3	sri	3	ski
3	sir	3	ors
3	oik	3	kos
3	kor	3	koi
3	kir	3	irk
2	so	2	si
2	os	2	or
2	ok	2	oi
2	ki	2	is
2	io