Protection lines from Hizb ul Bahr - Litany of the Sea -Shadhili
note its the top dua that is taken from the Hizb ul Bahr
Kaf ha' ya' 'ayn sad (Q 19:1) is our sufficiency. Ha' mim 'ayn sin qaf (Q 42:1) is our shelter.So God is sufficient for thee against them, for He hears all, knows all.
also see full Hizb ul Bahr - Litany of the Sea -Shadhili