(literally) know the other side and yourself, a hundred battles will not be perilous

Visual rendering of Morse code for ゜ (“handakuten”).

(nonstandard) Alternative form of ー (“long vowel mark”)

The hiragana syllable ら (ra) or the katakana syllable ラ (ra) in Japanese braille.

The hiragana syllable わ (wa) or the katakana syllable ワ (wa) in Japanese braille.

counter for articles / individual

The hiragana syllable た (ta) or the katakana syllable タ (ta) in Japanese braille.

The hiragana syllable く (ku) or the katakana syllable ク (ku) in Japanese braille.

The hiragana syllable れ (re) or the katakana syllable レ (re) in Japanese braille.

The hiragana syllable い (i) or the katakana syllable イ (i) in Japanese braille.