ei1
hey (to call sb)

ei2
hey (to express surprise)

ei3
hey (to express disagreement)

ei4
hey (to express agreement)

xi1
sigh (to express regret)

strokes 9
radical
strokes after radical 7
诶笑 誒笑 ei1 xiao4
to laugh loudly; guffaw

诶诒 誒詒 ei1 yi2
to rave; to babble in one's sleep