The spelling of the word "NENG" is quite simple when broken down into its individual sounds through IPA phonetic transcription. The first sound of this one-syllable word is /n/ which represents the sound of "n" as in "no". The second sound is /ɛ/ which represents the sound of "e" as in "pet". Finally, the last sound is /ŋ/, which represents the sound of "ng" as in "sing". Therefore, the correct spelling of the word "NENG" accurately represents the sounds that make up this word.