"Help us!" letters (3)
I believe the answer is:
sos
(Other definitions for sos that I've seen before include "Mayday call" , "Coded distress signal" , "Call for help" , "Distress call" , "International distress code" .)
I believe the answer is:
sos
(Other definitions for sos that I've seen before include "Mayday call" , "Coded distress signal" , "Call for help" , "Distress call" , "International distress code" .)