Vocabulary consisting only from characters you are able to read
単独
たんどく
sole, independence, single, solo (flight)mix
共通
きょうつう
(1)commonness, community, (n-suf) (2)-wide jlpt3, suru
替わる
かわる
(1)to succeed, to relieve, to replace, (2)to take the place of, to substitute for, to take over for, to represent, (3)to be exchanged, to change (places with), to switch godan, jlpt3, verb, vintrans, vtrans
地位
ちい
(social) position, statusmix
精神
せいしん
mind/soul/heart/spirit/intention/(P)leda1
一回戦
いっかいせん
first game, first round (of tennis, etc.)mix
難問
なんもん
perplexity, difficult question, difficult problemsuru