The word "wieser" is spelled with the IPA phonetic transcription of /ˈvaɪzɚ/. The "w" sound is represented by the phonetic symbol "v", as the two sounds are interchangeable in many languages. The "ie" sound is a combination of the vowel sounds represented by the symbols /aɪ/. The ending "-er" represents the sound of the syllable, which is pronounced like the word "ser" with a "v" sound at the beginning. So, "wieser" is pronounced like "vy-ser" with the emphasis on the second syllable.