Ű
The letter Ű (lower case ű) is a letter that is European languages (including Hungarian), introduction to eight hundred U. (From the Hungarian Wikipedia) The Űű sounds in Hungarian as long Üü (sounds like i with rounded lips, in the back of the mouth, and pronounced longer).
Use of Űű
In some languages, the letter is not considered as a letter itself, meaning that the mark is an addition that is needed to be added. The letter is pronounced like the i in the english word "bird". The pronunciation of the letter Űű is similar to the way that the German letter Öö is pronounced.
Words that use Űű Hungarian
Műszaki - technical, Hungarian language
Művészeteket - Arts, Hungarian language
Szűkebben - barely, Hungarian language
Műhelyek - workshops, Hungarian language
Működés; Működését; Művelet; Működésének - Operation, Action, Hungarian language
Űrkutatás - space, Hungarian language