(phonology,orthography,grammar) the second and second-highest-graded column of the 五十音図(literally “table of the fifty sounds”), consisting of the nine kana い/イ(i), き/キ(ki), し/シ(shi), ち/チ(chi), に/ニ(ni), ひ/ヒ(hi), み/ミ(mi), り/リ(ri) and ゐ/ヰ(wi), and sometimes additionally 𛀆/𛄠(yi)
