三つ（みっつ）— three (general counter)
椅子 が 三つ あります。
There are three chairs.
三つみっつ
three (general counter)
みっつ
accent [3]In detail
Words
椅子isuchairs
がga(marks what is present)
三つmittsuthree items
ありますarimasuexists; is present
Kanji
三サン・
三つ is read みっつ. Hold the short pause marked by っ before つ.
Coco-sensei