7	xanthan	5	thanx
5	thana	4	than
4	taxa	4	nana
4	naan	4	hant
4	haat	4	anta
4	anna	3	tax
3	tan	3	nth
3	nan	3	nah
3	hat	3	ant
3	ana	3	aha
3	aah	2	ta
2	na	2	ha
2	ax	2	at
2	an	2	ah
2	aa