написание  цифр от 1 до 20

one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty

onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfiveteensixteenseventeeneighteennineteentwenty