Arigatou | Thank you

ありがとう

a = あ . ri = り . ga = が . to = と . u = う

--

Arigatou gozaimasu | Thank you very much (formal)

ありがとうございます

a = あ . ri = り . ga = が . to = と . u = う

go = ご . za = ざ . i = い . ma = ま . su = す