7	atactic	6	tictac
6	tactic	5	tacit
5	cacti	5	attic
4	tata	4	tact
4	caca	4	acta
4	acai	3	tit
3	tic	3	tat
3	tai	3	cat
3	att	3	ait
3	act	2	ti
2	ta	2	it
2	at	2	ai
2	aa