speaker word vowel F1 F2 dur Jillian heed i 574 2488 0.315 Jillian hid I 532 2160 0.285 Jillian hayed e 594 2385 ? Jillian head E 641 2060 ? Jillian had a 796 1992 ? Jillian hod A 824 1534 ? Jillian HUD v 686 1740 ? Jillian hawed O 755 1494 ? Jillian hoed o 640 1260 ? Jillian whod u 524 1417 ?