Vocabulary consisting only from characters you are able to read
一口
ひとくち
(1)mouthful, bite, sip, draft, draught, (2)one word mix
貝
かい
(1)(uk) Japanese babylon (species of shelled mollusk, Babylonia japonica), Japanese ivory shell, (2)(abbr) spinning top (traditionally made from a Japanese babylon shell)
保存
ほぞん
preservation, conservation, storage, saving (e.g. to disk), maintenancejlpt3, suru