The spelling of the word "NICHFH" may seem confusing at first glance. However, breaking it down with IPA phonetic transcription can help make sense of it. The first sound is /n/ and the final sound is /h/. In between, we have a string of consonants: /ɪ/, /tʃ/, /f/, and /x/. The combination of /tʃ/, /f/, and /x/ can be roughly pronounced as "chfs". Putting it all together, "NICHFH" can be pronounced as "nɪtʃfs", with the emphasis on the "chfs" sound.