Hello (Nepali Greeting)
namaste
नमस्ते

Hello (Tibetan Greeting)
Tasi dile
टासी दिले

How are you?
aana mo aa?
(literally 'Are (you) maybe not sick?')
आन मो आ?

I am good.
aana mo.
(literally '(I'm) not sick.')
आन मो।

Have good staying!
SANE la To o!
(for emphasis, lengthen ending to Oooooo!)
ॱसने ल ॱटो ओ!

Have good going! 
SANE la yaro o!
(for emphasis, lengthen ending to Oooooo!)
ॱसने ल यरो ओ!

Have good sleeping! 
SANE la NUTO o!
ॱसने ल ॱनुतो ओ!

See you later!
chuchu TOCHO!
च्युच्यु ॱतोच्यो!

Thank you
orchhe
ओर्छ्‍ये

You're welcome
yaa yaa
या या

What is your name?
kya ming taa?
क्य मिङ ता?

My name is ____.
nga ming ____.
 ङ मिङ _____।

Where are you from?
kya YUL haaniri?
क्य ॱयुल हानीरी?

I am from _____.
nga YUL _____ri.
ङ ॱयुल ____री।

Do you speak _____?
kya _____ TE la khe*?
क्य _____ ॱते ल खेँ?

I can speak _____.
nga ____ TE la khe*.
ङ _____ ॱते ल खेँ।

I cannot speak ____.
nga ____ TE la aakhe*.
ङ _____ ॱते ल आखेँ।

What is your work?
kya taa khe latsa mo?
क्य ता खे· लच मो?