You're forgetting the most useful, obvious, and practical.
Nyob zoo. (Hello. ** Or, Greetings.)
Tuaj lod? (Welcome.)
Nyob zoo xyoo tshiab. (Happy New Year.)
Nej puas caiv os? (Can we/I come in? ** Barring any restrictions.)
Mus zoo koj nawb. (Have a good/safe trip.)
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![Evil >:D](http://www.pebhmong.com/forum/Smileys/Lots_O_Smileys/evil.gif)
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![thumbsup :thumbsup:](http://www.pebhmong.com/forum/Smileys/Lots_O_Smileys/thumbsup.gif)