5	orbit	4	trio
4	tori	4	tiro
4	roti	4	riot
4	obit	4	brit
4	brio	4	bort
4	biro	3	tor
3	rot	3	rob
3	rib	3	ort
3	orb	3	obi
3	bro	3	bot
3	bit	3	bio
2	to	2	ti
2	or	2	oi
2	it	2	io
2	bo	2	bi