ソ (so) – Katakana
– Pronounced as the Japanese ‘so’. Sounds closest to the English ‘so’ as in ‘soft’.
そ, in hiragana, or ソ, in katakana, is one of the Japanese kana, each of which represents one mora.
Mnemonic 1: This is a picture of a wave breaking. It does so quite softly, only producing one drop of foam.