Vocabulary consisting only from characters you are able to read
課題
kadai
subject/theme/task/challenge/issue/matter/(P)jlpt3, leda1
類
tagui
(1)kind, sort, type, (2)equal, match, peer; kind, sort, class, family, genus mix
お願い
onegai
(1)(hon) request, wish, (int) (2)(abbr) please suru