5	octad	4	toad
4	taco	4	doat
4	dato	4	coda
4	coat	4	acto
3	tod	3	tao
3	tad	3	oda
3	oca	3	oat
3	dot	3	doc
3	cot	3	cod
3	cat	3	cad
3	ado	3	act
2	to	2	ta
2	od	2	do
2	da	2	at
2	ad