There are many greetings or mihi used in Māori. Here are some that are commonly used.
Kia ora (Greetings, Hello)
Kia ora koutou (Greetings, Hello to you – 3 or more people)
Kia ora rā kōrua (Greetings, Hello to you two – 2 people)
Kia ora koutou katoa (Greetings, Hello to you all – 3 or more people)
Tēnā koe (Greetings, Hello to you – 1 person)
Tēnā kōrua (Greetings, Hello to you two – 2 people)
Tēnā koutou (Greetings, Hello to you – 3 or more people)
Tēnā koutou katoa (Greetings, Hello to you all – 3 or more people)
Tēnā koutou, tēnā koutou, tēnā koutou katoa (Greetings, Greetings, Greetings to you all – 3 or more people)
Tēnā koutou, tēnā koutou, tēnā tatou katoa (Greetings, Greetings, Greetings to us all – the speaker and those being spoken to, 3 or more people)
Tēnā koe e hoa (Greetings, Hello to you friend)
Tēnā kōrua e tama mā (Greetings, Hello to you two boys)
E kui, tēnā koe (Elderly lady, Greetings, Hello to you)
E koro mā, tēnā koutou (Elderly men, Greetings to you all – 3 or more people)