7	outbulk	5	boutu
5	boult	4	ulto
4	tolu	4	lout
4	bulk	4	bout
4	bolt	4	bolk
4	blot	3	ulu
3	ult	3	tub
3	out	3	lot
3	lob	3	kob
3	but	3	bot
2	ut	2	to
2	ou	2	ok
2	lo	2	bo