The system of international maritime signal flags is based on the alphabet.
O or OSCAR is MAN OVERBOARD
Adieu! Adieu! yon silver lamp, the moon,
Which turns our midnight into perfect noon,
Doth surely light thy towers, guarding well,
Where Dante sleeps, where Byron loved to dwell.
The last 4 lines of Ravenna by Oscar Wilde
OWL MOON is a magical story written by Jane Yolen.