[i]      .    'silence'

[ii]     _ _ _ _  'get out' , 'scatter' ,'advance'

[iii]    ....    'close in','patrols' ,fall in'

[iv]    . _ . _  'danger', 'look out '

[v]     . . . _    'patrol leaders'

[iv]    . . _  'duty patrol leader'

 

dot means short whistle.dash means long whistle