The word "Gommelin" is spelled with two consonants and four vowels. The first syllable is pronounced with a short o sound, represented by the IPA symbol /ɒ/, while the second syllable has a long e sound, represented by the IPA symbol /iː/. The two middle letters are pronounced as a double m, represented by the IPA symbol /mː/. The final syllable has a short i sound, represented by the IPA symbol /ɪ/. Therefore, the correct spelling of "Gommelin" is with two m's and an "i" at the end.