Erm.. Nigerian has alot of Languages and Here Are The Early Morning Greetings In Yoruba, Hausa & Igbo Languages Respectively.
Good Morning ku-a -ro
Yoruba [honorific] E káàrò
Yoruba [non-honorific] O káàrò
Yoruba [same age or younger] Ku aro
Yoruba [to older person] E ku aro
This is another Language of Nigerian called Hausa,
Hausa Barkà dà kwana
Hausa Barkà dà safe
Hausa Barkà dà asuba
Hausa Ina kwana
Hausa [response] Lapiyalo
Hausa [midday] Barkà dà rana
Another one is igbo,
Igbo Ezigbo ututu
Igbo Isala chi
Igbo Ututu Oma
You can add your Own Local Morning Greetings In Your Own Languages.