speaker	word	vowel	F1	F2	duration
Joe	heed	i	289	2204	.206
Joe	hid	I	467	2022	.182
Joe	hayed	e	421	2242	.236
Joe	head	E	544	1953	.166
Joe	had	a	753	1674	.189
Joe	hod	A	753	1266	.226
Joe	HUD	v	603	1467	.153
Joe	hawed	O	743	1219	.225
Joe	hoed	o	503	1039	.238
Joe	whod	u	320	1803	.223