Vocabulary consisting only from characters you are able to read
他人
tanin
another person/unrelated person/outsider/stranger/(P)leda1
いつの間にか
icunomanika
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
七五三
šičigosan
Šičigosan (svátek tří-, pěti- a sedmiletých dětí)leda1, namae
日の丸
hinomaru
(1)outline of the sun (esp. represented as a red circle)/ (2)(abbr) the Japanese flag/(P) leda1
開会
kaikai
opening of a meetingsuru