The word "Wallner" can be spelled using the International Phonetic Alphabet as /ˈwɔːlnər/. The "w" sound at the beginning of the word is a voiced bilabial approximant, followed by the long vowel "o" sound. The letter "l" represents a voiced alveolar lateral approximant, pronounced with the tongue touching the alveolar ridge. The final sound is an unstressed "n" sound, pronounced with the back of the tongue touching the soft palate. Together, these sounds create the proper spelling of "Wallner".