Vowel practice

跟着这个网页读的: http://www.uiowa.edu/~acadtech/phonetics/#  请指正！另外两个低级问题：ɝ vs ɚ (herd vs farmer),  raw vs jaw

i   EAt wEEk trEE
I   Invite pIn
e   EIght locAte ballET
ɛ   Extra bEt
æ   At glAss
a   pAth clAss
ʌ   Under Up sUn
ə   Asleep bAlloon zeabrA
ɝ   hERd EARth fUR
ɚ   farmER watERfall
u   drEW cOOL fOOd
ʊ   fOOt gOOd
o   Over bOAt hellO
ɔ    All hAll jAW
ɑ    AWkward clOck rAW
ai   AIsle mIne trY
au   HOur mOUth plOW
oi   OIl spOIl destrOY