The spelling of the word "Heuk" can be explained using the International Phonetic Alphabet (IPA). The first sound of "Heuk" is represented by the "h" phoneme, which is pronounced as /h/. The second and third sounds are represented by the "eu" diphthong, pronounced as /y/. Finally, the last sound is represented by the "k" phoneme, which is pronounced as /k/. So, the word "Heuk" is pronounced as /hjyk/. This unique combination of sounds makes "Heuk" a distinctive and easily recognizable word.