quadrilateral.
Three letters: RAM
i'll answer in 3 letters "box" *not really
On upper case the I, O, and Q. On the lower case letters I can't remember which are omitted.
the letters plm
The BASIC computer command that calls letters and numbers up on a screen is the print command.
Quadrilateral
A 2D shape that has four sides and is thirteen letters long is a quadrilateral.
Liechtenstein
Liechtenstein is a country. The name includes thirteen letters. It is the country that has the most letters in its spelling.
Honeydew melon is a fruit. The word contains thirteen letters.
13
LILINPOLOPOCI (lil-in-po-lo-pokie)
think your thinking of quadrilateral
thirteen
quadrilateral
· Czech Republic
Thirteen and Nineteen