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Modern English transliteration of Russian doesn't use the letter "J". Neither does Russia's cyrillic alphabet.
A Russian name starting with a "Y" in English transliteration would tend to begin with a "J" in German, e.g. Jaroslawel (Yaroslavl).
It is proncounced "volk" in English letters
Сахар or the transliteration (http://www.russian-translation-pros.com/russian-transliteration-translation-services.html) will be: sahar.
Абрикос. The transliteration will be abrikos.
Transliteration.