quenya_grammar1-7  Exercise 1: Pronouns
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  I            ending -nye (short -n)    free form ní
  you (polite) ending -lye               free form lyé
  he or she    ending -se (short -s)     free form sé

wet vs met (both dual, "we two"):
  wet  inclusive: you and I (the listener is one of the two)
  met  exclusive: he or she and I (the listener is not included)

(Forms are those of Wikipedia's table, a secondary summary.)