speaker word vowel F1 F2 duration Whitney heed i 347 2897 .193 Whitney hid I 669 2440 .128 Whitney hayed e 566 2171 .178 Whitney head E 705 2312 .077 Whitney had a 976 2255 .238 Whitney hod A 977 1324 .239 Whitney HUD v 852 1512 .080 Whitney hawed O 877 1203 .271 Whitney hoed o 542 1112 .235 Whitney whod u 398 1214 .247