元音字组由两个或三个元音字母在一起发一个元音(ar er ir or ur are ere ire ore ure ai/ay air al au/aw ea ear ee eer ei/ey eu/ew ie oa oar/oor oi/oy oo ou/ow our ui),少数几个辅音字母(r
l w y)也可以和元音字母一起组成元音字组。
You can memorize words in a relaxed way if you pronounce them reasonably. Say words correctly, and you will learn them easily. Correct pronunciation means correct spelling of the words.