Nnukwu ntupu hexagonal ka a na-akpọ ụgbụ ọnụ okwute.Nkume onu net tupu nnyefe, ga-apịaji n'ime a dị mfe elu, juru n'ọnụ abịakọrọ mgbe nnyefe.Mgbe ahụ, tinye ya n'ọnọdụ kwesịrị ekwesị imeghe, mgbe ahụ, ngọngọ ngọngọ dabara adaba n'ime ọnụ ụlọ, ihe mkpuchi ahụ siri ike, mgbe ahụ, vari ...
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