The phrase "in skin" is spelled with the letters i-n s-k-i-n. Phonetically, this is represented as /ɪn skɪn/. The first sound is the short "i" vowel sound, followed by the "n" consonant sound. The second syllable begins with the "s" consonant sound, followed by the short "i" vowel sound again, and ending with the "n" consonant sound. The phrase refers to being physically inside or underneath the skin.