The spelling of the word "Ludtke" is phonetically transcribed as /lʊtki/. The first syllable is pronounced with the short vowel sound /ʊ/, followed by the voiceless alveolar plosive consonant /t/. The second syllable begins with the voiced alveolar-stop consonant /d/ and ends with the voiceless velar -stop consonant /k/. Overall, the spelling accurately represents the phonetic sounds in the word "Ludtke." This is a common method used to ensure that English words are pronounced correctly, given the inconsistencies in English spelling.