Dai Ca Calungkomnak 

oe ( Dai) = eo( Korea) --Seodaemun , Chungjeongno , Seoul , Noksapyeong , Yeouinaru .....etc,
ae(Dai)= ae ( Korea) --Saetgang , Itaewon , Dongdaemun...etc,
ue ( Dai)= eu ( Korea)-- Singeumho , Yeongdeungpo , Deungchon...etc.

Vowel order: a, e, i, o, aw, u, ae,ao, ee,eu, ie, oe, ue, oo, oo, ou, oi. Then: ar, er, or,e+er. Vowels & vowel + r- their sounds and mouth formation. ( Dai ca vowel na sim ham na ngah oehtoe ve a Video oeh ngai kop te.)