Some common greetings

Since there are a few new folks, here are some of the common greetings that will be useful:

• namaskAraH / namo namaH (नमस्कारः / नमो नमः) - Hello / Salutations
• suprabhAram (सुप्रभातम्) - Good morning
• katham asti? (कथम् अस्ति?) - How are you?
• sarvaM kushalaM vA? (सर्वं कुशलं वा?) - Is everything alright?
• dhanyavAdaH (धन्यवादः) - Thanks
• shubharAtriH (शुभरात्रिः) - Good night
• abhinandanAni (अभिनन्दनानि) - Wishes / Congrats
• janmadinasya shubhAshayAH (जन्मदिनस्य शुभाशयाः) - Happy birthday

Please add more.