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Alternative form of …

Visual rendering of Morse code for S. (Latin)

Visual rendering of Morse code for С. (Cyrillic)

Visual rendering of Morse code for Σ.

Visual rendering of Morse code for EI.

Visual rendering of Morse code for ש.

Visual rendering of Morse code for ラ.

Visual rendering of Morse code for ศ.

Visual rendering of Morse code for ษ.

Visual rendering of Morse code for ส.

Source: wiktionary.org