graph G { node [shape=box]; "貫之" -- "躬恒" [weight=.19 label=.19]; "貫之" -- "遍昭" [weight=.12 label=.12]; "貫之" -- "素性" [weight=.12 label=.12]; "貫之" -- "小町" [weight=.06 label=.06]; "貫之" -- "伊勢" [weight=.14 label=.14]; "躬恒" -- "遍昭" [weight=.20 label=.20]; "躬恒" -- "素性" [weight=.15 label=.15]; "躬恒" -- "小町" [weight=.06 label=.06]; "躬恒" -- "伊勢" [weight=.17 label=.17]; "遍昭" -- "素性" [weight=.22 label=.22]; "遍昭" -- "小町" [weight=.10 label=.10]; "遍昭" -- "伊勢" [weight=.14 label=.14]; "素性" -- "小町" [weight=.10 label=.10]; "素性" -- "伊勢" [weight=.23 label=.23]; "小町" -- "伊勢" [weight=.16 label=.16]; }