大般涅槃經義記 4.87

4.87

取初句中末後俄字歷配其餘三十三字入十二音為第四章，第二句中最後拏字歷配餘字入十二音為第五章，第三句中最後那字歷配餘字入十二音為第六章，第四句中最後若字歷配餘字入十二音為第七章，第五句中最後摩字歷配餘字入十二音為第八章。

Taking the final letter *e* in the first series and combining it successively with the remaining thirty-three letters into the twelve sounds forms the fourth chart; taking the final letter *na* in the second series and combining it successively with the remaining letters into the twelve sounds forms the fifth chart; taking the final letter *na* in the third series and combining it successively with the remaining letters into the twelve sounds forms the sixth chart; taking the final letter *ruo* in the fourth series and combining it successively with the remaining letters into the twelve sounds forms the seventh chart; taking the final letter *mo* in the fifth series and combining it successively with the remaining letters into the twelve sounds forms the eighth chart.