Vocabulary consisting only from characters you are able to read
分の
bunno
denominator bun no numerator (in writing common fractions), X Yth's (Y bun no X)jlpt3, math
百
hjaku
(num) 100, hundredjlpt5
何分
nanpun
how many minutestoki
いつの間にか
icunomanika
before one knows, before one becomes aware of, unnoticed, unawaresjlpt3