Its plural is formed according to the first letter of the root. When the root commences with a vowel, or with the consonant c as
| arò | (to ask) |
| cáon | (to eat) |
the formation takes the following process: ng̃ is added to the beginning of the root, c being suppressed, as
| ng̃aro, ng̃áon; |
the first syllable is doubled,[73] as
| ng̃ang̃aro, ng̃ang̃áon, |
to which the particle na is prefixed, as
| nang̃ang̃arò, nang̃ang̃áon, |
which is the final form.
When the root commences with a labial consonant, as