6	rubout	5	turbo
5	boutu	4	tour
4	rout	4	brut
4	bout	4	bort
3	urb	3	tur
3	tub	3	tor
3	rut	3	rub
3	rot	3	rob
3	out	3	our
3	ort	3	orb
3	but	3	bur
3	bro	3	bot
2	ut	2	to
2	ou	2	or
2	bo