Hangul 4 : 11 Complex Vowels

     There are 11 complex vowels, which are made of by joining the 10 basic vowels.

ㅐ   ae as hand
ㅒ   ye as yet
ㅔ   e as set
ㅖ   ye as yes
ㅘ   wa as what
ㅙ   wae as wait
ㅚ   oe as wait
ㅝ   wo as wonder
ㅞ   we as web
ㅟ   wi as window
ㅢ   ui

     They are written as [ㅇ(yieung) + complex vowels] 

 애 | 얘 | 에 | 예 | 와 | 왜 | 외 | 워 | 웨 | 위 | 의