Consonants In addition, the phonemes , , , , and occur only in loans, mostly from
Indonesian,
Tetum, and the local variety of
Malay.
Vowels These vowels can also occur
long; the phonemic status of long vowels hangs on the interpretation of Leti's pervasive metathetic processes. The mid vowels are restricted to the penult of lexical morphemes, which is stressed. The majority of these morphemes provide no evidence for the height contrast — are found before an ultimate and in other positions — and diachronically there was no contrast. However, the contrast is set up synchronically on account of certain exceptions ( 'he, she', 'refuse', 'stay'), and the fact that when suffixed the conditioning vowel can disappear: : 'dry' → 'it dries first' : 'descend' → 'he descends first'
Phonological processes Metathesis and
apocope, together
binding processes, are pervasive in Leti as a feature of combinations of morphemes. The preferred "flow of speech" in Leti seems to involve chains of CCV units. The
free form of any Leti morpheme always features a final vowel, so those whose
bound forms end in consonants feature two allomorphs which are related by CV metathesis. Thus 'skin, fly (n.), fish, bird' have bound forms (the latter two with long vowels) but free forms . When a morpheme whose bound form ends in a vowel is prefixed to another component, that final vowel may apocopate or metathesise into the following component. CV metathesis happens when the metathesising vowel is high and is followed by at most one consonant and a non-high vowel. The metathesised vowel is realised as a glide, written as
ï ü. Thus 'chicken + egg' becomes 'chicken egg', 1st sing. pronoun + 'go' becomes 'I go'. In other contexts apocope happens, unless this would leave an illicit three-consonant cluster. So 'chicken + bone' becomes 'chicken bone', 'cat + tongue' becomes 'cat's tongue'. A similar metathesis is found with the nominaliser, historically an infix
-in-, but now taking the form
-nï- among many other allomorphs (detailed more below): thus 'sew' derives 'needle'. == Grammar ==