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.
'Youkoso.'
Welcome is Irrashai or Irrashaimase... 'Youkoso.'
Japanese Letters are written in a different traditional style than the English language. Japanese is written in the roman alphabet and each letter stands for a sound. Japanese sentence structure is much different then the English structure.
To spell a Japanese word with English letters is called Romaji. The word legendary in Romaji is: denkiteki.
In Japanese It Is Kingu , It Is Called Romaji When Written in English
Tanoshī
'Dou itashimashite.'
In English letters it would be Keitorin.
Masachuusettsu e youkoso.
In Greek, "welcome home" can be spelled using English letters as "kalos irthate stin oikia." This phrase conveys a warm greeting to someone arriving at their home.
uwu
O-kaeri nasai Okaerinasai.