fa-ammā
So as for
REM – prefixed resumption particle fa + EXL – explanation particle
Root Link: ا م م ا
fa-uh'likū
they were destroyed
REM – prefixed resumption particle fa + "V – 3rd person masculine plural (form IV) passive perfect verb + PRON – subject pronoun waw
Root Link: ه ل ك
bil-ṭāghiyati
by the overpowering (blast)
P – prefixed preposition bi + DET – determiner prefix al + N – genitive feminine active participle
Root Link: ط غ و