The spelling of the word "FMILS" is unique, and it may not be immediately clear how to pronounce it. The correct spelling is "eff-mills," with each letter pronounced separately. The first two letters, "EF," sound like the letter F, followed by a short E sound. The final four letters, "MILS," are pronounced like the word "mills," with a long I sound. The IPA transcription for "FMILS" would be /ɛf.mɪlz/.