navi1-9  Exercise 3: Counting and Ordinals
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  munea 'eveng     two children

The number mune takes the linker a (munea) and the noun stays singular.
English adds a plural ending to "children"; Na'vi gives the amount once, in
the number.

Ordinals:
  first    'áwve
  second   múve
  third    pxéyve
  fourth   tsìve