Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
てん nebe, oblohaleda1, shizen
高校 こうこう high schoolgakkou, jlpt4
下ろす おろす (1)to take down (e.g. flag), to launch (e.g. boat), to drop, to lower (e.g. ladder), to let (a person) off, to unload, to discharge, (2)to drop off (a passenger from a vehicle), to let (a person) of godan, verb, vtrans
空間 くうかん spaceleda1, math
学会 がっかい scientific society/academic meeting/academic conference/(P)gakkou