Norwegian diphthongs

Norwegian has five common diphthongs represented by the vowel sequences
< ai, ei, au, øy, oy >.

Diphthongs are two adjacent vowel sounds that are occurring within the same syllable. The pronunciation is done as a rapid, gliding shift from one vowel to another. The symbols used here for indicating the pronunciation of the words are equal to those found in The International Phonetic Alphabet, IPA.