Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
minamoto source, origin; source, originmix
風通し kazetooši ventilationuchi
電線 densen (1)electric line, electric cable, power cable, (2)telephone line, telegraph wire uchi
円滑 enkacu smooth, undisturbed, uninterrupted, harmonious; (adj-na) smooth, undisturbed, uninterrupted, harmoniousmix
ku (1)section (i.e. of text), sentence, passage, paragraph, (2)(ling) phrase, (3)verse (of 5 or 7 mora in Japanese poetry; of 4, 5, or 7 characters in Chinese poetry), (4)haiku, first 17 morae of a r mix