speaker	word	vowel	F1	F2
Gregory	heed	i	311	2256
Gregory	hid	I	504	1912
Gregory	hayed	e	501	2010
Gregory	head	E	615	1665
Gregory	had	a	715	1580
Gregory	hod	A	713	1120
Gregory	hud	v	643	1251
Gregory	hawed	O	677	1126
Gregory	hoed	o	561	1124
Gregory	whod	u	393	1142