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:

the hours after sunset until midnight, collectively: dusk, evening, and night / the eve of an event, especially of a festival

Shu (a former state and former dynasty in ancient China)

easy

a male given name

better (comparative of the adjectives good or well)

Toyota, a Japanese automobile manufacturer

aftershock (of an earthquake)

Kyūjitai form of 余震 (“aftershock”).