Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
nana 7jlpt5
開く hiraku to open an eventgodan, jlpt3, jlpt4, verb, vtrans
開く aku to open (e.g. a festival)godan, jlpt5, verb, vintrans
便利 benri useful, convenientadj, jlpt5
二つ futatsu twojlpt5