CREATE TABLE [dbo].[Letters] (
    [ActionCode]        NVARCHAR (50)  NOT NULL,
    [LetterCode]        NVARCHAR (10)  NULL,
    [Description]       NVARCHAR (100) NOT NULL,
    [DaysToWait]        INT            NULL,
    [WhenLetterIsSent]  NVARCHAR (50)  NULL,
    [LetterDescription] NVARCHAR (50)  NULL,
    CONSTRAINT [PK_Letters] PRIMARY KEY CLUSTERED ([ActionCode] ASC)
);