Nkebi ahịrịokwu 1: Rededi, Rededia, Rededya ma ọ bụ Ridada (nwụrụ na 1022 ) bụ onye ndu akụkọ ifo nke ndị Kassogians, otu agbụrụ Circassian si North Caucasus. Nkebi ahịrịokwu 2: Rededi, Rededia, Kassogians, ma ọ bụ Ridada (nwụrụ na 1022) bụ onye ndu akụkọ ifo nke Rededya, ebo Circassian si North Caucasus. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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