consider the syllable song (cf. 送 sòng 'deliver, carry, give (as a present)', 松 sōng 'pine; loose, slack', 耸 sǒng 'tower; alarm, attract' etc.), sou (cf....

蕤 共 䢼 薾 蕨 䳍 蕐 莢 荙 荗 芖 荂 萘 莾 輂 巷 菴 蛬 恭 拲 莽 葢 茂 荎 菿 莖 葝 葘 蕓 薷 蕾 虂 蘦 蘎 藿 蕶 苹 莱 荚 炗 荛 菚 芅 古 直 𡌴 矗 茟 嗭 亁 真 顛 颠 鷏 惪 龺 韩 戟 韓 蕁 乹 乾 鶾 雗 朝 倝 幹 榦 翰 螒 斡 悳 荨 藎 蕭...

U+584x 塀 塁 塂 塃 塄 塅 塆 塇 塈 塉 塊 塋 塌 塍 塎 塏 U+585x 塐 塑 塒 塓 塔 塕 塖 塗 塘 塙 塚 塛 塜 塝 塞 塟 U+586x 塠 塡 塢 塣 塤 塥 塦 塧 塨 塩 塪 填 塬 塭 塮 塯 U+587x 塰 塱 塲 塳 塴 塵 塶 塷 塸 塹 塺 塻 塼...