Your welcome in Japanese but in English letters?

Answer 1

Hope this helps,

どういたしまして in hiragana

Dou ita shima shite, in romaji (letters).

This is the most formal but common version.

Answer 2

if you mean translate it (thank you) from English to Japanese then it is arigatoo

Answer 3

You may say 'dou itashimashite.' Or, alternatively, 'kochira koso,' which means something along the lines of '[No,] I should be thanking you.'

Answer 4

Iroiro to arigatō gozai masu