あっ, アッ, アっ, あ, ア
Interjection, expression of surprise, recollection, etc.
1. ah, oh
used to get someone's attention
2. hey!
インスタ
See インスタグラム, Colloquialism, Abbreviation
Instagram
イン
inn, hotel
打球がインかアウトかを判定するのは難しいことが多い。
イン, IN
See アウト・1, Sports term, Usually in kana
1. in (of a ball, in tennis, etc.), inside the line, internal, interior
on (parking) entrance signs
2. enter here, entrance, (parking) entry
See アウト・5
3. back nine (golf)
4. inside lane (track cycling, speed skating, etc.)
は
Particle, pronounced わ in modern Japanese
1. topic marker particle
2. indicates contrast with another option (stated or unstated)
3. adds emphasis