semaphore numerical

semaphore positions

semaphore charlie

semaphore mike

semaphore bravo

semaphore kilo

semaphore annul

semaphore romeo

semaphore yankee

semaphore papa

semaphore zulu

semaphore hotel

semaphore quebec

semaphore golf

semaphore november

semaphore delta

semaphore error

semaphore india

semaphore oscar

semaphore uniform

semaphore echo

semaphore juliet

semaphore alpha

semaphore foxtrot