Vocabulary consisting only from characters you are able to read
後
ato
afterwards, since then, in the futurejlpt5, toki
貝
kai
(1)(uk) Japanese babylon (species of shelled mollusk, Babylonia japonica), Japanese ivory shell, (2)(abbr) spinning top (traditionally made from a Japanese babylon shell)
分の
bunno
denominator bun no numerator (in writing common fractions), X Yth's (Y bun no X)jlpt3, math