Yery with diaeresis (Ӹ ӹ; italics: Ӹ ӹ) is a letter of the Cyrillic script.[1] Its form is derived from the Cyrillic letter Yery (Ы ы Ы ы). In Unicode, this letter is known as "Yeru with Diaeresis".
Yery with diaeresis is used in the alphabet of the Hill Mari language, where it represents the mid central vowel /ə/, like the pronunciation of ⟨a⟩ in "ago". It also appears in the Northwestern Mari language.