Complex sentence: Itelmen has a larger phonological inventory than other Chukotko-Kamchatkan languages, and permits complex consonant clusters in some environments but has a different system of vowel harmony than its relatives Chukchi and Koryak.
Split into simpler sentences: Itelmen has a larger phonological inventory than other Chukotko-Kamchatkan languages, and permits complex consonant clusters in some environments. However, Itelmen has a different system of vowel harmony than its relatives Chukchi and Koryak.