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wa-in
And indeed
CONJ – prefixed conjunction wa (and) + COND – conditional particle
Root Link: ا ن
kānū
they used to
V – 3rd person masculine plural perfect verb + PRON – subject pronoun waw
Root Link: ك و ن
layaqūlūna
say
EMPH – emphatic prefix lām + V – 3rd person masculine plural imperfect verb + PRON – subject pronoun na
Root Link: ق و ل

Acknowledgements:

Single-Word Audio has been made possible through software provided by Arabic NLP

James Ada's concordance work; his research can be found at www.organizedQuran.com
Note: James is now a member of the IslamAwakened Continuity Board