Vocabulary consisting only from characters you are able to read
種
šu
(1)kind, variety, (2)(biological) species, (3)(abbr) (logical) species mix
観戦
kansen
watching a (sports) gamesuru
験算
kenzan
verification of accounts, checking figures, arithmetic checksuru
戦
ikusa
(1)war, battle, campaign, fight, (2)(arch) troops, forces; (3)war, battle, (4)match, competition mix
話題
wadai
topic, subjectmix