a (single) pair, couple, brace (male-female pair of animals) / (gagaku, bugaku, dance) a style of performance consisting of pairs of left and right dances

(education) class (group of students in a regularly scheduled meeting with a teacher) / class of things (typically products) sharing certain features / (programming, object-oriented programming) class

一番: number one, most, -est

一番: number one

(aviation) economy class

first class (a status, section, etc. of premier rank)

business class

suggestion box

珊々, 珊珊: / 毿々, 毿毿: / 潸々, 潸潸: / 燦々, 燦燦, 粲々, 粲粲: brilliant, bright

三々, 三三: