good morning——早上好——zǎo shàng hǎo
as people always say morning instead of good morning, we always use 早——zǎo to instead 早上好. It also can be 早安——zǎo ān,it has some different means to good morning,because 安——ān means good luck.
早上好——zǎo shàng hǎo
早——zǎo
早安——zǎo ān