There are more words but they are from Tolkien's earlier conceptional periods. Tolkien likely changed these words as he evolved the aesthetics and completeness of the languages. You may even find languages that Tolkien later rejected. Do not mix words from different time periods unless you are familiar with the phonetic developments.
-sse
suffix. in, at, on; locative
-sse
suffix. abstract noun
-ie
suffix. abstract noun
-le
suffix. abstract noun
-me
suffix. abstract noun
he
pronoun. they
le
pronoun. you
me
pronoun. we, us
ni
pronoun. I, me
nwe
pronoun. *we (inclusive)
te
pronoun. him, her, it
the Archaic
pronoun. him, her, it (other)
thi Archaic
pronoun. they (other)
thu
pronoun. them (dual other)
tu
pronoun. dual 3a
tye
pronoun. thee, you (familiar)
ye
preposition. at
Below: Tolkien's Late Period (1950–1973). These are from Tolkien's late conceptual period — his most settled forms of the languages. Prefer these over the earlier ones above when composing new text.