O-kaeri nasai Okaerinasai.
Welcome is Irrashai or Irrashaimase... 'Youkoso.'
This phrase cannot be accurately translated, as even in English it is largely incoherent and ambiguous in nature.
Masachuusettsu e youkoso.
It can be translated as 'Gakkou e youkoso,' written in Japanese as: 学校へようこそ
Ariga'to mashti'. Arigatou Gozaimashita. Visit www.japanese999.com -- "Dou itashimashite" = "You're welcome" (when answering thank you)
White when translated from English to Japanese is shiro for shiro means white
Chocolate is 'chokoreeto' in Japanese.
Dog in Japanese is 'inu'.
Domo.
Sakarerumono
Koibito.
Yonbanme