“فَ” (fa)This word resumes the flow after a pause or change in thought.Corpus grammarREM — prefixed rem particle.
“يَقُولُ” (yaquwlu)means “Then they will say” in this verse. It is a verb. an action or state word. Here it is imperfect verb, third person — masculine — plural, a dependent form.Corpus grammarV — third person masculine plural subjunctive imperfect verb.
“وا” (wā)an attached pronoun meaning “they” or “them.”Corpus grammarPRON — third person masculine plural subject pronoun.