Vocabulary consisting only from characters you are able to read
先
さき
the future, forward, priority, precedence, former, previous, old, latejlpt5, toki
入門書
にゅうもんしょ
primer, manual, introductory bookmix
入口
いりぐち
entrance, gate, approach, mouthjlpt5
多々
たた
very much, very many, more and more; (uk) in tufts, tuftymix