Vocabulary consisting only from characters you are able to read
手がかり
tegakari
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
七日
nanoka
seven days, the seventh day of the monthjlpt5, toki
勉める
cutomeru
to endeavor (endeavour), to try, to strive, to make an effort, to exert oneself, to be diligentichidan, verb, vtrans
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
~中
~čuu
in (the middle of), within, during, whilejlpt5