Please play with Popham's code book. He assigned the digits 0 to 9 to ten signal flags, which were used in combination. Code numbers 1–25 represented letters of the alphabet (omitting J and with V=20 before U=21); higher numbers were assigned meanings.

Hunga ku Popham su buki di kódigo (code book) aki. El a pone e sifranan di 0 te ku 9 pa manda señal ku dies bandera. E numbernan aki a keda usá den kombinashon. Numbernan di kódigo 1 te ku 25 tabata representá e lèternan di alfabèt (sakando afó J i ku V=20 promé ku U=21). Numbernan mas altu a haña nifikashon.