\begin{tikzpicture}[scale=0.38,every node/.style={font=\tiny}]
\def\xstep{14/19}
\def\ystep{10/19}

\draw (0,0) -- (14,0) -- (14,10) -- (0,10) -- (0,0);
\draw (0,10) -- (5,0);
\draw (2,10) -- (7,0);
\draw (4,10) -- (9,0);
\draw (6,10) -- (11,0);
\draw (8,10) -- (13,0);
\draw (10,10) -- (14,2);
\draw (12,10) -- (14,6);
\draw (0,2) -- (1,0);
\draw (0,6) -- (3,0);
\node at (14-1*\xstep,10-1*\ystep){i};
\node at (14-3*\xstep,10-3*\ystep){v};
\node at (14-5*\xstep,10-5*\ystep){r};
\node at (14-7*\xstep,10-7*\ystep){o};
\node at (14-9*\xstep,10-9*\ystep){y};
\node at (14-11*\xstep,10-11*\ystep){g};
\node at (14-13*\xstep,10-13*\ystep){b};
\node at (14-15*\xstep,10-15*\ystep){i};
\node at (14-17*\xstep,10-17*\ystep){v};
\node at (14-18.5*\xstep,10-18.5*\ystep){r};
\end{tikzpicture}