speaker	word	vowel	time	F1	F2
Robert	had	a	1.774	892	1856
Robert	hod	A	2.659	872	1335
Robert	hawed	O	3.590	844	1285
Robert	head	E	4.589	745	2023
Robert	heard	r	5.479	624	1455
Robert	hayed	e	6.433	414	2299
Robert	hid	I	7.718	622	2277
Robert	heed	i	8.868	283	2930
Robert	hoed	o	9.776	522	1018
Robert	hood	U	10.741	631	1445
Robert	HUD	v	11.715	749	1593
Robert	whod	u	12.654	377	1118