Good question.. bit confusing..

o like the word "lot, on, or" in english ö like "eu" of the frech word "eux" or the german ö in "öse" ı like "barber" i like "feet, eat, teen" u like "foot, food, look" ü like frech pronuntiation of "u" or germany ü "über"

ü: euro :y-ü-ro or duke :d- ü -k u:is same like english : bloom : bl-u-m ö: virgin :v-ö-rcin o:same like english: t-o-y ı: example:eksamp-ı-l i: read like ea :i si: s-i