Vocabulary consisting only from characters you are able to read
続々
ぞくぞく
successively, one after anothermix
向こう
むこう
(1)opposite side/other side/opposite direction/ (2)over there/that way/far away/beyond/ (3)the other party/the other person/ (4)future (starting now)/(P) jlpt3, leda1
数式
すうしき
numerical formulamix
道しるべ
みちしるべ
(1)guidepost, signpost, guide, (2)(col) tiger beetle (esp. the Japanese tiger beetle, Cicindela japonica) mix