The spelling of the name "Lillyanne" can be pronounced phonetically as /lɪliːæn/. The first syllable "lil" is pronounced with a short "i" sound while the second "ly" syllable is pronounced with a long "ee" sound. The suffix "-anne" is pronounced with a short "a" sound followed by a long "nne" sound. Therefore, the correct spelling of this name would be with two "l's" and two "n's", as "Lillyanne".