They are made up of nine diphthongs, five vowels and fourteen consonants that make up the alphabet.
[5] For example, Mono-Alu shares the numbers 'two' (elua) and 'five' (lima) with the Hawaiian language.
However, only 'first' (famma) is an actual word, where all other successive numbers are a grammatical construct.
[3] Mono-Alu, like many other Austronesian languages, uses two separate pronouns for the first-person plural in order to express clusivity - that is, one first person plural pronoun is inclusive (including the listener), and the other is exclusive (not including the listener).
[3] There are two ways of indicating differences of grammatical gender: In other cases, there is no distinction between masculine, feminine and neuter.