6	fordid	5	fiord
5	droid	4	roid
4	fori	4	ford
4	fido	4	dido
3	rod	3	rif
3	rid	3	orf
3	odd	3	fro
3	for	3	fir
3	fid	3	dor
3	dif	3	did
2	or	2	oi
2	of	2	od
2	io	2	if
2	id	2	fi
2	do