せ, in hiragana

Hiragana

is a Japanese syllabary, one basic component of the Japanese writing system, along with katakana, kanji, and the Latin alphabet . Hiragana and katakana are both kana systems, in which each character represents one mora...

, or セ in katakana

Katakana

is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet . The word katakana means "fragmentary kana", as the katakana scripts are derived from components of more complex kanji. Each kana represents one mora...

, is one of the Japanese kana

Kana

Kana are the syllabic Japanese scripts, as opposed to the logographic Chinese characters known in Japan as kanji and the Roman alphabet known as rōmaji...

, each of which represents one mora

Mora (linguistics)

Mora is a unit in phonology that determines syllable weight, which in some languages determines stress or timing. As with many technical linguistic terms, the definition of a mora varies. Perhaps the most succinct working definition was provided by the American linguist James D...

. Both represent the sound [se], and when written with dakuten

Dakuten

, colloquially ten-ten , is a diacritic sign most often used in the Japanese kana syllabaries to indicate that the consonant of a syllable should be pronounced voiced. Handakuten , colloquially maru , is a diacritic used with the kana for syllables starting with h to indicate that they should...

 represent the sound [ze]. In the Ainu language, the katakana セ is sometimes written with a handakuten (which can be entered into a computer as either one character (セ゚) or two combined ones (セ゜)) to represent the [tse] sound, and is interchangeable with チェ.

Form	Rōmaji	Hiragana Hiragana is a Japanese syllabary, one basic component of the Japanese writing system, along with katakana, kanji, and the Latin alphabet . Hiragana and katakana are both kana systems, in which each character represents one mora...	Katakana Katakana is a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet . The word katakana means "fragmentary kana", as the katakana scripts are derived from components of more complex kanji. Each kana represents one mora...
Normal s- (さ行 sa-gyō)	Se	せ	セ
	Sei See Sē	せい せえ せー	セイ セエ セー
Addition dakuten Dakuten , colloquially ten-ten , is a diacritic sign most often used in the Japanese kana syllabaries to indicate that the consonant of a syllable should be pronounced voiced. Handakuten , colloquially maru , is a diacritic used with the kana for syllables starting with h to indicate that they should... z- (ざ行 za-gyō)	Ze	ぜ	ゼ
	Zei Zee Zē	ぜい ぜえ ぜー	ゼイ ゼエ ゼー

Stroke order