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пе — Open syllable, initial syllable, vowel is reduced.. ре — Open syllable, vowel is reduced.. груп — Closed syllable, contains the root's initial part.. пи — Open syllable, vowel is reduced.. ро — Open syllable, stressed syllable.. вы — Open syllable, vowel is reduced.. ва — Open syllable, vowel is reduced.. ю — Open syllable, part of the participle suffix.. щий — Closed syllable, contains the participle suffix.. ся — Open syllable, reflexive particle.