(phonology, orthography, grammar) the 5x10 table used for arranging all the 47 kana used for the 五十音 (literally “fifty sounds”), whose 列 (“columns”) are arranged by the vowels (/a/, /i/, /ɯ/, /e/, /o/) and 行 (“rows”) are arranged by the consonants (Ø, /k/, /s/, /t/, /n/, /h/, /m/, /j/, /ɾ/, /w/; voiced obstruents and /p/ are customarily not included because they were rarely distinguished in writing); columns are ranked by 段 (“grade”), with the vowel /a/ being the highest grade and the vowel /o/ being the lowest; the missing cells of the や行 (“ya-row”) and わ行 (“wa-row”) are filled with い/イ (i), え/エ (e) and う/ウ (u) taken from the あ行 (“a-row”), in order to represent classical grammatical inflection with modern text (or alternatively, artificially filled with rare kana such as 𛀆/𛄠 (yi), 𛀁/𛄡 (ye) and 𛄟/𛄢 (wu))

all day, throughout the day, sunrise to sunset, all around the clock

thirteenth day of the month

rechargeable battery

restricted to those under 18 years of age, due to serious sexual content

乳: milk; breast; latex (milky substance in plants) / 父: one's own father; a father figure; the Christian God / 致知: the pursuit of knowledge; / 遅遅, 遅々: slowness, tardiness; a long day

遅遅, 遅々: to be late

乳, 父: a surname / 父子: a place name

日日: day by day

日日: every day, daily