The spelling of the word "ehapa" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The first letter, "e," is pronounced as the short "e" sound (/ɛ/). The second letter, "h," is pronounced as the voiceless glottal fricative (/h/). The third and fourth letters, "a" and "p," are pronounced as a short "a" sound (/æ/) and a voiceless bilabial plosive (/p/), respectively. Therefore, the correct pronunciation of "ehapa" is /ɛhæp/.